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Investing News 4 January 2026

Applied Optoelectronics stock jumps 14% to start 2026 as AI data-center optics rally

Applied Optoelectronics stock jumps 14% to start 2026 as AI data-center optics rally

NEW YORK, January 4, 2026, 07:17 ET — Market closed Applied Optoelectronics’ shares jumped 13.6% in the last regular session on Friday, closing at $39.60. The stock traded between $35.82 and $40.06 during the session. The outsized move mattered because it came on the first trading day of 2026, when positioning and thinner liquidity can amplify swings in smaller, higher-volatility names. “Value is outperforming growth and AI infrastructure is up,” said Jed Ellerbroek, portfolio manager at Argent Capital, describing Friday’s broader tape. Reuters Applied Optoelectronics’ gain also landed alongside strength in optical and networking peers. Lumentum rose 4.7%, Coherent climbed
4 January 2026
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ACM Research stock jumps nearly 14% to start 2026 as chip rally returns — what to watch next

ACM Research stock jumps nearly 14% to start 2026 as chip rally returns — what to watch next

NEW YORK, January 4, 2026, 07:13 ET — Market closed ACM Research Inc (ACMR.O) shares last closed up about 14% at $44.88 on Friday, after trading between $40.26 and $44.99 on volume of roughly 1.66 million shares. The move came as chip stocks led Wall Street’s first session of 2026 higher, with the Philadelphia Semiconductor Index up 4%, Reuters reported. “Investors might be a little bit more conscious about some of the valuations” in AI-linked stocks, Joe Mazzola, head of trading & derivatives strategist at Charles Schwab, told Reuters. Reuters For ACM, the swing puts fresh attention on a near-term
4 January 2026
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Energy Fuels stock today: UUUU jumps 15% as uranium miners rally into 2026 — what investors watch next

Energy Fuels stock today: UUUU jumps 15% as uranium miners rally into 2026 — what investors watch next

NEW YORK, January 4, 2026, 07:00 ET — Market closed Energy Fuels Inc (UUUU) shares jumped 14.9% on Friday to close at $16.68, with about 14.9 million shares traded. U.S. markets were closed on Sunday. The move matters because Energy Fuels is a high-beta proxy for investor appetite toward nuclear-fuel supply chains and U.S.-based critical materials, a theme that has been prone to sharp reversals. It also shows how quickly positioning can shift at the start of a new year in thinly covered miners, where flows can amplify price swings. Energy Fuels, based near Denver, produces uranium and is developing
4 January 2026
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NuScale Power stock jumps 15% to start 2026 — what pushed SMR, and what’s next

NuScale Power stock jumps 15% to start 2026 — what pushed SMR, and what’s next

NEW YORK, January 4, 2026, 06:46 ET — Market closed NuScale Power Corporation shares jumped 15.1% in the last regular session, closing at $16.31 on Friday with about 30.5 million shares traded, according to Stock Analysis data. StockAnalysis The move put the small-cap nuclear developer among the sharper gainers as investors began 2026 rotating back into higher-volatility corners of the market after a late-December slump. Reuters For NuScale, market chatter centered on sentiment rather than a new company catalyst. Nasdaq.com said the stock rose “apparently on no good news at all,” pointing instead to headlines around a temporary shutdown at
4 January 2026
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Applied Digital stock jumps 14% as AI-linked names rebound; APLD earnings on Jan. 7

Applied Digital stock jumps 14% as AI-linked names rebound; APLD earnings on Jan. 7

NEW YORK, January 4, 2026, 06:28 ET — Market closed. Applied Digital Corporation (APLD) shares jumped 14.6% on Friday to close at $28.11, after trading between $24.65 and $28.44. Trading volume was about 36.1 million shares. The move put focus back on one of the market’s more volatile AI infrastructure trades, where sentiment can swing sharply on expectations for data-center demand and funding conditions. Why it matters now: investors are heading into a key earnings week looking for signs that new capacity is translating into steadier revenue, while capital spending remains heavy across the sector. The rally came as risk
4 January 2026
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Apple stock today: AAPL slips on Raymond James caution as Wall Street weighs rates and earnings

Apple stock today: AAPL slips on Raymond James caution as Wall Street weighs rates and earnings

NEW YORK, January 4, 2026, 06:20 ET — Market closed Apple Inc shares slipped about 0.3% to $271.01 on Friday after Raymond James restarted coverage with a neutral view on valuation. U.S. markets are closed on Sunday, leaving Apple last seen trading between $269.12 and $277.69 on roughly 37.8 million shares. The call lands as investors reset positions for 2026, with mega-cap technology again under a microscope after last year’s run lifted valuations across the sector. Apple’s size in major indexes can amplify sentiment, even when the tape is quiet. Rate expectations are the other moving piece. Tech stocks tend
4 January 2026
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Rigetti stock jumps 6% as director files plan to sell shares — what to watch next

Rigetti stock jumps 6% as director files plan to sell shares — what to watch next

NEW YORK, January 4, 2026, 06:16 ET — Market closed Rigetti Computing shares jumped about 6.6% in the most recent session, ending at $23.60 on Friday with heavy trading volume, even as a company director filed paperwork signaling an intent to sell stock. The timing matters because quantum-computing names have become a high-volatility corner of the market, with sharp moves often driven by sentiment and risk appetite rather than near-term fundamentals. The filing is a Form 144, a notice insiders use to disclose a planned sale under SEC Rule 144. It flags an intent to sell but does not guarantee
4 January 2026
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Opendoor stock bounces above $6 to start 2026 as rates and jobs data take center stage

Opendoor stock bounces above $6 to start 2026 as rates and jobs data take center stage

NEW YORK, January 4, 2026, 06:15 ET — Market closed. Opendoor Technologies Inc (OPEN.O) shares ended Friday up about 4% at $6.07, after trading between $5.86 and $6.15 on roughly 38.4 million shares. The move matters because Opendoor sits at the intersection of housing demand and interest rates. When borrowing costs rise, affordability falls and homes can take longer to sell, which pressures companies that buy and resell homes for profit. U.S. stocks finished mixed on Friday and Treasury yields moved higher, a backdrop that can quickly change the tone for rate-sensitive names. “Today is kind of a holiday trading
4 January 2026
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Ford stock snaps a losing streak near a 52-week high — what investors are watching next for F shares

Ford stock snaps a losing streak near a 52-week high — what investors are watching next for F shares

NEW YORK, January 4, 2026, 05:34 ET — Market closed Ford Motor Co (NYSE: F) shares rose 1.68% to close at $13.34 on Friday, snapping a four-day losing streak in the first U.S. trading session of 2026. The stock ended about 4.65% below its 52-week high of $13.99, while volume of 46.3 million shares was well below its 50-day average, MarketWatch data showed. MarketWatch The move matters because it puts Ford back near recent highs just as investors reset positions for the new year and reassess how quickly demand and pricing can hold up in a high-rate auto market. Automakers
4 January 2026
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Amazon stock ends first 2026 session lower — what AMZN traders watch next

Amazon stock ends first 2026 session lower — what AMZN traders watch next

NEW YORK, January 4, 2026, 05:32 ET — Market closed Amazon.com, Inc. shares last traded at $226.50, down 1.9% from the prior close, after slipping in the first trading session of 2026 on Friday. The stock ranged between $224.71 and $235.39 in the session, a band traders will treat as a near-term map for support and resistance. The underperformance matters because Amazon is one of the largest U.S. consumer and technology bellwethers, spanning online retail, cloud computing and digital advertising. When Amazon lags, it can drag on the “consumer discretionary” sector — companies tied to optional spending — and on
4 January 2026
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BigBear.ai stock jumps on debt-cut move; dilution and key dates ahead for BBAI

BigBear.ai stock jumps on debt-cut move; dilution and key dates ahead for BBAI

NEW YORK, January 4, 2026, 05:26 ET — Market closed BigBear.ai Holdings, Inc. said on Friday it had called for redemption of all outstanding 6.00% convertible senior secured notes due 2029, with a redemption date set for Jan. 16, a regulatory filing showed. Shares rose about 8% on Friday, last trading at $5.84. BigBear.ai Holdings, Inc. The move matters because convertible notes are debt that investors can swap for stock. A redemption call can simplify a company’s balance sheet, but it often brings dilution when new shares are issued. BigBear.ai, which sells AI software and services to defense and national-security
4 January 2026
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QBTS stock jumps as D-Wave Quantum rally puts CES 2026 and U.S. data in focus

QBTS stock jumps as D-Wave Quantum rally puts CES 2026 and U.S. data in focus

NEW YORK, January 4, 2026, 05:32 ET — Market closed D-Wave Quantum Inc shares ended Friday up 7.6% at $28.13, with about 48 million shares traded as the stock ranged between $25.44 and $28.42. The move matters because the quantum-computing sector has started 2026 with renewed momentum, and D-Wave is approaching a busy stretch of investor-facing events. Traders have also been recalibrating their bets on high-growth, high-volatility names after fresh guidance from Federal Reserve officials. Philadelphia Fed President Anna Paulson said on Saturday that further U.S. rate cuts could be some way off as policymakers take stock of inflation and
4 January 2026
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Stock Market Today

Halma share price: Friday’s lift sets up what investors watch next week

Halma share price: Friday’s lift sets up what investors watch next week

7 February 2026
Halma shares closed up 0.7% at 3,548 pence on Friday, valuing the group at about £13.4 billion. The Bank of England held rates at 3.75% in a split vote, keeping rate-cut speculation in focus. Halma’s next trading update is set for March 12. The FTSE 100 ended the week up 0.6%, lifted by bank stocks.
Diageo share price slips into the weekend as investors eye Feb. 25 results

Diageo share price slips into the weekend as investors eye Feb. 25 results

7 February 2026
Diageo shares closed down 1.48% at 1,760 pence on Friday, trailing a 0.59% gain in the FTSE 100. An updated analyst consensus points to a 2.0% fall in first-half organic net sales ahead of interim results due Feb. 25. Trading volume was light, and the stock remains over 22% below its 52-week high.
National Grid share price: what to know before London reopens after BoE signal

National Grid share price: what to know before London reopens after BoE signal

7 February 2026
National Grid shares closed at 1,285 pence in London on Friday, up 0.23%. The Bank of England held rates at 3.75% after a close vote, signaling possible cuts if inflation falls. National Grid announced a wireless power transmission study with Space Solar and marked five years of IFA2 interconnector operations. Its U.S. ADR ended at $88.06, up $1.17.
BAE Systems share price rises into weekend — what to watch before Monday’s London open

BAE Systems share price rises into weekend — what to watch before Monday’s London open

7 February 2026
BAE Systems shares closed up 1.2% at 1,879 pence on Friday, tracking gains in European defence stocks. The company’s market value stands near £54.8 billion. Investors await BAE’s full-year results on Feb. 18 for updates on cash returns and orders. GXO Logistics renewed and expanded its contract to support BAE’s Type 26 frigate program in Scotland.
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