Top U.S. Stock Gainers Today (Dec. 10, 2025): ASPC, BBGI, ENVB, PLAB, IRBT & AHT Rocket on Fed Day

U.S. stocks are treading water on Wednesday ahead of a pivotal Federal Reserve decision, but a handful of names are going absolutely vertical. While the S&P 500 is near flat and the Nasdaq is modestly lower, several small‑ and mid‑cap stocks are posting triple‑digit moves, turning today into a classic “stock picker’s market.” ^[1]

Among the top U.S. stock gainers today are:

• A SPAC III Acquisition Corp. (ASPC) – a low‑float SPAC exploding more than 250%
• Beasley Broadcast Group (BBGI) – a tiny broadcaster surging over 200%
• Enveric Biosciences (ENVB) – a micro‑cap biotech doubling on fresh patent news
• Photronics (PLAB) – a profitable semiconductor supplier ripping higher after an earnings beat
• iRobot (IRBT) – the Roomba maker jumping on AI and M&A speculation
• Ashford Hospitality Trust (AHT) – a hotel REIT rallying after announcing a strategic review

Below is a breakdown of what’s driving today’s biggest U.S. stock market movers, and how analysts and traders are framing the risk–reward.

Fed-Day Backdrop: Calm Indexes, Wild Movers

The broader market is relatively subdued going into the Fed’s final meeting of 2025. As of Wednesday’s session:

• The S&P 500 was roughly flat to slightly positive (around +0.1%)
• The Dow Jones Industrial Average traded modestly higher (about +0.5%)
• The Nasdaq 100 lagged, down a few tenths of a percent ^[2]

The Federal Open Market Committee is widely expected to cut rates by 25 basis points for a third straight meeting, bringing the federal funds target to 3.50%–3.75%. The bigger story for equities is the Fed’s “dot plot” for 2026, which will signal how quickly policymakers see rates falling (or not) over the next year. ^[3]

That cautious macro backdrop hasn’t stopped speculative pockets of the market from igniting. Today’s top stock gainers in the U.S. are mostly:

• Low‑float SPACs and micro‑caps
• Biotech names trading off patent or clinical headlines
• A handful of earnings‑driven and strategy‑driven stories in more established companies

Scoreboard: Top U.S. Stock Gainers Today by Percentage

According to StockAnalysis’ real‑time U.S. market movers page, the top gainers today (Dec. 10, 2025) include: ^[4]

• ASPC – A SPAC III Acquisition Corp.
  +267% to about $38.50, micro‑cap SPAC (≈$90M market cap)
• BBGI – Beasley Broadcast Group, Inc.
  +224% to about $13.11, micro‑cap radio and digital media company
• ENVB – Enveric Biosciences, Inc.
  +79% to about $10.60, tiny biotech focused on mental‑health therapeutics
• BEAT – HeartBeam, Inc.
  +55% to about $1.25, cardiac‑diagnostics technology company
• IBIO – iBio, Inc.
  +43% to about $3.17, biotech name
• TWAV – TaoWeave, Inc.
  +39% to about $2.30, small‑cap tech
• CGTL – Creative Global Technology Holdings
  +36% to about $0.90, micro‑cap
• PLAB – Photronics, Inc.
  +35% to about $34.79, profitable semiconductor photomask manufacturer
• IRBT – iRobot Corporation
  +35% to about $4.75, consumer robotics company
• AHT – Ashford Hospitality Trust, Inc.
  +31% to about $4.13, hotel REIT

Below we zoom in on the stocks whose moves are backed by clear news, forecasts, and fresh analysis published today.

ASPC (A SPAC III Acquisition Corp.): Low‑Float SPAC Frenzy

Move:

• ASPC has swung between roughly +270% and +330% today, trading in the high‑$30s to mid‑$40s intraday. ^[5]

Benzinga’s market recap notes that A SPAC III Acquisition shares “shot up 336% to $45.69” shortly after the open, putting it at the very top of U.S. percentage gainers. ^[6]

What ASPC actually is:
ASPC is a blank‑check (SPAC) company that raised about $55 million in late 2024 to pursue a merger focused on ESG themes. Each unit was originally sold at $10, comprising one Class A share and one right, and the company still has no announced business combination. ^[7]

In other words, today’s move is not about earnings or new fundamental information on an operating business. It’s a speculative surge in a cash shell.

What’s driving the spike?

• Low float + SPAC momentum: Finviz highlights ASPC as a low‑float SPAC where “retail momentum in low‑float SPACs sparked a premarket surge as traders piled into ASPC following recent runners like AFJK.” ^[8]
• Pre‑market scanners: Morning coverage from RTTNews flagged ASPC as a pre‑market gainer, already up over 200% to the mid‑$30s, putting it firmly on day‑traders’ watchlists before the opening bell. ^[9]
• No new deal news: There has been no public announcement of a merger target today in SEC or IPO tracking feeds; ASPC remains a shell company, which means the move is almost entirely technical and sentiment‑driven. ^[10]

Forecasts & risk commentary:

Right up until yesterday’s close, technical research site StockInvest actually rated ASPC a “sell candidate”, projecting a “possible 3.07%” intraday swing around a fair value just above $10 and warning that the stock had “several negative signals” with low liquidity. ^[11]

Today’s 250%+ explosion demonstrates how quickly low‑float SPACs can invalidate short‑term forecasts when they become momentum targets. Traders and commentators alike are stressing that:

• The stock was trading around 3–4x its IPO reference value
• The underlying entity still has no operating business
• Liquidity can vanish as fast as it appeared

For longer‑term investors, most analysts see ASPC as extremely speculative until a credible merger target with audited financials is announced.

BBGI (Beasley Broadcast Group): Micro‑Cap Broadcaster Goes Parabolic

Move:

• StockAnalysis shows BBGI up about 224% to $13.11 with unusually heavy volume over 20 million shares. ^[12]
• Benzinga’s intraday recap earlier cited BBGI “surging 135% to $9.52,” underscoring just how volatile the tape has been today. ^[13]

What does Beasley do?
Beasley is a small U.S. media company that owns radio stations and a growing portfolio of digital advertising and audio brands. Recent filings show:

• Q3 2025 revenue of $51.0M, down ~12% year‑over‑year
• A shift from $1.2M operating income to a ~$0.3M operating loss
• Ongoing emphasis on higher‑margin digital revenue, which now represents about 25% of company revenue ^[14]

So fundamentally, this is a struggling but adapting local‑media operator, not a hyper‑growth tech name.

Why is BBGI a top gainer today?

There is no fresh company‑specific press release on Dec. 10 that explains a business turnaround. Instead, the move appears to be driven by:

• Micro‑cap / low‑float dynamics: BBGI’s market cap is under $25M even after today’s spike, and average daily volume before this week was in the tens of thousands of shares, not millions. ^[15]
• Speculation about momentum: BBGI has been featured on penny‑stock trading sites and scanners, where commentators explicitly question “whether BBGI’s current momentum can sustain”, reflecting the view that this is more of a technical breakout than a fundamental re‑rating. ^[16]
• Short‑interest squeeze potential: As of late November, BBGI’s short interest was around 6% of the public float with an 8‑day days‑to‑cover ratio, which can amplify moves when retail volume suddenly floods in. ^[17]

Analyst & forecast angle:

• BBGI is thinly covered by major Wall Street firms. Independent quant sites describe the name as highly volatile, with thin liquidity and a history of negative net income despite positive adjusted EBITDA. ^[18]
• From a fundamentals perspective, Beasley is still posting net losses and managing a leveraged capital structure while betting on digital growth to offset legacy radio weakness. ^[19]

Today’s move is being widely framed as a trader’s rally, not a proven turnaround.

ENVB (Enveric Biosciences): Patent Allowances Ignite a Biotech Double

Move:

• StockAnalysis shows ENVB up roughly 79% to about $10.60, bouncing sharply from single‑digit levels. ^[20]
• Pre‑market coverage from Investing.com reported ENVB surging over 100%, and Benzinga cited an intraday gain of about 102% to $11.94. ^[21]

What happened? Patent wins.

Enveric announced it has received Notices of Allowance from the U.S. Patent and Trademark Office for:

• Its EVM301 series, targeting mental‑health disorders through neuroplastogenic mechanisms
• An additional EVM401 series of non‑hallucinogenic treatments for neuropsychiatric conditions ^[22]

These patents significantly strengthen the company’s intellectual‑property portfolio in next‑generation psychiatric therapies — particularly non‑hallucinogenic alternatives to classic psychedelic compounds.

Investing.com notes that these patent allowances triggered the pre‑market spike, as traders priced in the potential for future licensing deals, partnerships or a richer pipeline narrative. ^[23]

Financial reality check:

Deep‑dive coverage from active‑trader outlet TimothySykes.com points out that:

• Enveric’s balance sheet shows total assets around $4.36M, with about $3.76M in cash, indicating limited firepower.
• The company is still generating substantial operating losses, with pretax income in the red and negative profit margins.
• Despite today’s move, ENVB is still down heavily year‑to‑date, reflecting prior dilution and setbacks. ^[24]

In short: great news for the IP story, challenging backdrop for the finances.

Forward‑looking analysis:

Commentators emphasise that the patents:

• Could open doors to partnerships or licensing if larger pharma players see value in the EVM series
• Do not yet guarantee commercial success – everything still depends on clinical data, regulatory milestones and financing capacity
• Are already fueling a “speculative engine” around Enveric’s role in non‑hallucinogenic mental‑health therapeutics ^[25]

Analysts broadly frame ENVB as a high‑risk, catalyst‑driven biotech where today’s gains can evaporate quickly if future data or funding disappoint.

PLAB (Photronics): Earnings Beat + AI Demand Power a Semiconductor Winner

Move:

• PLAB is one of the day’s biggest large‑cap winners, up around 35%–40% and trading in the mid‑$30s after its Q4 earnings release. ^[26]

Earnings surprise:

Zacks/Nasdaq report that Photronics delivered: ^[27]

• Q4 EPS of $0.60, beating the consensus estimate of $0.47 (+27.7% surprise)
• Revenue of $215.8M, about 4.5% above analyst expectations
• EPS essentially flat year‑over‑year ($0.60 vs. $0.59), but still ahead of forecasts

An Investing.com note adds that record integrated‑circuit (IC) revenue and strong demand from AI and data‑center customers helped drive the beat, with management highlighting robust orders for advanced‑node photomasks used in cutting‑edge chips. ^[28]

Outlook and forecasts:

Zacks commentary points out that:

• The stock currently carries a Zacks Rank #3 (Hold), implying expectations for performance in line with the market near‑term.
• Consensus estimates look for EPS of about $0.49 next quarter on ~$208M in revenue, and roughly $2.03 EPS on $847M revenue for the current fiscal year. ^[29]
• Photronics’ industry group, Semiconductor Equipment – Photomasks, ranks in the bottom tier of Zacks industry rankings, which historically underperforms higher‑ranked groups.

Still, today’s price action reflects the market’s view that PLAB had been underpriced relative to its AI‑linked growth:

• The company continues to generate real profits and positive cash flow, unlike many of today’s micro‑cap runners. ^[30]
• Investing.com’s recap frames the move as a fundamental re‑rating driven by the earnings beat and updated slides, not just speculative hype. ^[31]

For investors looking beyond today, analysts are watching:

• Capacity expansion plans in the U.S. and Asia
• The pace of AI/data‑center capex into 2026
• How quickly Photronics can translate advanced‑node demand into sustainable margin expansion

IRBT (iRobot): AI Ambitions and M&A Speculation Fuel a Short‑Term Squeeze

Move:

• StockAnalysis lists IRBT up about 35% to $4.75, with volume exceeding 70 million shares. ^[32]
• Earlier this morning, TimothySykes.com noted IRBT up roughly 26% to $4.46 on volume above 20 million, confirming heavy day‑trader participation. ^[33]

Narrative behind the move:

Tim Sykes’ detailed note, “IRBT Stock Raises: Time to Watch?”, flags several themes traders are watching: ^[34]

• Strategic M&A possibilities in the smart‑home space after prior deal headlines around iRobot
• Increased investment in AI‑driven product features, which could help differentiate Roomba and other devices in a crowded smart‑home market
• Cost‑cutting and production‑efficiency efforts, which, if successful, might eventually improve margins

However, the same analysis stresses that iRobot’s latest financials show:

• Revenue around $681.8M, but
• Negative EBIT and EBITDA margins, with high R&D and restructuring expenses
• Pressure on cash flow and a balance sheet that leaves limited room for prolonged missteps

In other words, IRBT’s innovation story is outpacing its current profitability.

Forecasts & technical view:

Technical site StockInvest characterises IRBT as a very high‑volatility stock, issuing short‑term trading signals but projecting that:

• The share price could fall over the next 3 months, with a negative trend and high risk.
• Buy signals are mostly short‑term and tactical, not a long‑term endorsement. ^[35]

Commentators today are largely aligned on three points:

1. Today’s move feels like a momentum squeeze – possibly including short covering – rather than a clear earnings or deal‑driven re‑rating.
2. The AI and M&A narrative adds fuel to the speculation, but remains unproven until concrete partnerships, products, or transactions are announced. ^[36]
3. IRBT sits at the intersection of consumer‑discretionary and AI hype, making it particularly sensitive to broader market risk‑on/risk‑off swings.

AHT (Ashford Hospitality Trust): Strategic Review Sparks Hotel‑REIT Rally

Move:

• AHT is up about 31% to $4.13 today, placing it firmly in the top 10 U.S. gainers by percentage. ^[37]
• Economic‑Times pre‑market coverage showed AHT jumping roughly 31% to $4.15, while Investing.com reported a 17.7% pop in after‑hours trading yesterday. ^[38]

Catalyst: Strategic alternatives review

Ashford Hospitality Trust, a REIT focused on upper‑upscale full‑service hotels, announced that its board has formed a Special Committee to explore strategic alternatives, including a potential transaction. ^[39]

Key elements of the announcement:

• The review aims to “maximize shareholder value” and narrow the perceived gap between the portfolio’s underlying value and the current stock price. ^[40]
• The company terminated its Series L and M non‑traded preferred stock offering and suspended redemptions for existing non‑traded preferreds, signaling a reset of its capital structure. ^[41]

Financial backdrop:

Despite today’s rally, AHT remains a highly leveraged, turnaround‑style REIT:

• 2024 revenue was about $1.17B, down ~14% from the prior year, with net losses around $82.5M, albeit improved vs. 2023. ^[42]
• The company has a history of debt challenges and no common dividend, making it more suited to speculative recovery trades than income‑seeking investors. ^[43]

Analysts and trading blogs (including AInvest and Tim Sykes‑linked content) frame the move as:

• A classic “strategic alternatives” pop, where any hint of potential asset sales, recapitalization, or take‑private interest can trigger outsized reactions in a thinly traded REIT
• A reminder that special committees don’t guarantee a sale – they can also result in no major transaction if bids or financing fall short ^[44]

How Today’s Top Gainers Fit the Bigger Market Picture

Taken together, today’s top stock gainers in the U.S. paint a familiar Fed‑day picture:

1. Macro is cautious, micro is wild
   • While index investors watch the Fed’s rate cut and dot plot, small pockets of the market are dominated by event‑driven and momentum trading. ^[45]
2. Speculation clusters in low‑float names
   • ASPC and BBGI show how low float + news flow + Fed‑day liquidity can produce multi‑hundred‑percent moves in a single session, often decoupled from fundamentals. ^[46]
3. Real fundamentals still matter in select winners
   • PLAB’s surge is clearly tied to an earnings beat and improving AI‑driven demand outlook, not just a chat‑room frenzy. ^[47]
   • ENVB and AHT remind traders that headline catalysts (patents, strategic reviews) can temporarily overpower weak balance sheets – but that long‑term outcomes will depend on execution, financing, and deal quality. ^[48]
4. Forecasts are being stress‑tested in real time
   • Technical forecasts for ASPC and IRBT issued just a day ago assumed single‑digit percentage swings, not triple‑digit spikes, underlining the limits of purely quantitative models when liquidity and sentiment flip. ^[49]

What Traders and Investors Are Watching Next

With the Fed decision due later today, attention will quickly shift from intraday fireworks to the broader 2026 outlook:

• A more dovish dot plot could extend the “risk‑on” window, potentially giving speculative names more room to run. ^[50]
• A hawkish surprise – fewer cuts penciled in for 2026 – could hit high‑beta and low‑quality names hardest, including several of today’s top gainers. ^[51]

For investors tracking today’s U.S. top stock gainers, the common threads are:

• Most of the largest percentage movers are micro‑caps with concentrated risk, not broad‑based market leaders. ^[52]
• The few fundamentally driven winners (like PLAB) are being rewarded for genuine earnings strength and clear secular themes (AI/data centers). ^[53]

Important Note

This article is for information and news purposes only and does not constitute investment advice, a recommendation to buy or sell any security, or an endorsement of any strategy. All stocks mentioned are highly volatile, and readers should perform their own research and consider their risk tolerance or consult a qualified financial adviser before making any investment decisions.

References

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