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Biotech News 16 December 2025 - 30 December 2025

Rhythm Pharmaceuticals (RYTM) stock falls today as biotech weakens; FDA decision stays in focus

Rhythm Pharmaceuticals (RYTM) stock falls today as biotech weakens; FDA decision stays in focus

NEW YORK, December 30, 2025, 13:33 ET — Regular session Rhythm Pharmaceuticals shares were down 4.2% at $107.85 at 1:33 p.m. ET on Tuesday, after trading as low as $106.65. The move matters because Rhythm is a single-product rare-disease biotech whose stock has tended to swing on regulatory and clinical milestones for Imcivree, its obesity drug. Investors are watching the company’s next U.S. Food and Drug Administration decision closely. With the next major catalyst still ahead, the stock can move sharply on broader risk sentiment in biotech, even when there is no fresh company news. The SPDR S&P Biotech ETF
30 December 2025
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Regencell Bioscience stock jumps 11% as RGC volatility returns ahead of Tuesday’s open

Regencell Bioscience stock jumps 11% as RGC volatility returns ahead of Tuesday’s open

NEW YORK, December 30, 2025, 05:20 ET — Premarket Regencell Bioscience Holdings Ltd shares were last indicated at $23.48 in off-hours trade ahead of Tuesday’s U.S. session. The stock ended Monday up 10.96% at $23.48, after trading as low as $19.80 and as high as $25.50, with about 723,000 shares changing hands, MarketBeat data showed. Market capitalization was listed at roughly $11.6 billion. MarketBeat The move stood out on a day when U.S. stocks finished lower, leaving investors cautious heading into a holiday-shortened stretch. Thin liquidity can exaggerate price swings in smaller, headline-sensitive names. Reuters Regencell itself has not posted
30 December 2025
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Outlook Therapeutics stock jumps ahead of FDA’s Dec. 31 Lytenava decision

Outlook Therapeutics stock jumps ahead of FDA’s Dec. 31 Lytenava decision

NEW YORK, December 30, 2025, 01:25 ET — Market closed Outlook Therapeutics, Inc. shares closed Monday up 8.8% at $1.98 after trading between $1.78 and $1.98. The stock was last up about 2% at $2.02 in late after-hours trading, with about 5.7 million shares changing hands. StockAnalysis Traders are zeroed in on a Dec. 31 deadline at the U.S. Food and Drug Administration for Lytenava (ONS-5010), the company’s wet age-related macular degeneration candidate. A Nov. 13 filing showed the FDA set a Prescription Drug User Fee Act, or PDUFA, goal date of Dec. 31 — the agency’s target date for
30 December 2025
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Travere Therapeutics (TVTX) Stock Watch: Pre‑Market Focus on the Jan. 13 FDA Decision After a 14% Rally

Travere Therapeutics (TVTX) Stock Watch: Pre‑Market Focus on the Jan. 13 FDA Decision After a 14% Rally

As of 8:54 a.m. ET in New York on Friday, December 26, 2025, U.S. markets are in pre‑market and set to reopen for the regular session at 9:30 a.m. ET. Travere Therapeutics, Inc. (NASDAQ: TVTX) is entering the post‑holiday session with fresh momentum and a very specific catalyst on investors’ minds: an FDA decision deadline of January 13, 2026 for expanding FILSPARI (sparsentan) into focal segmental glomerulosclerosis (FSGS)—a high‑stakes regulatory event that can move a biotech stock in either direction. Travere Therapeutics TVTX stock: where it stands heading into today’s open TVTX’s most recent regular-session close (Christmas Eve, Dec. 24)
26 December 2025
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ABIVAX (ABVX) Stock Surges on Eli Lilly Takeover Talk as Nasdaq Biotech Index Inclusion Kicks In — News, Forecasts and Outlook (Dec. 22, 2025)

ABIVAX (ABVX) Stock Surges on Eli Lilly Takeover Talk as Nasdaq Biotech Index Inclusion Kicks In — News, Forecasts and Outlook (Dec. 22, 2025)

December 22, 2025 — ABIVAX Société Anonyme (ticker ABVX on Nasdaq and Euronext Paris) is back in the spotlight today, with traders juggling two storylines that can move a biotech stock fast: renewed takeover speculation involving Eli Lilly and Abivax’s addition to the Nasdaq Biotechnology Index (NBI), effective before today’s market open. GlobeNewswire+2Investing.com+2 In early market action, multiple outlets reported double‑digit gains in Abivax’s U.S. premarket trading and strong moves in Paris, making ABVX one of the morning’s most-watched biotech tickers. Benzinga+2Investing.com+2 But the bigger reason ABIVAX stock keeps showing up in “top movers” lists isn’t just rumor-driven volatility. The
22 December 2025
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Vertex Pharmaceuticals (VRTX) Stock Week Ahead: Holiday-Shortened Trading, New Gene-Therapy Data, and Fresh Analyst Targets (Dec. 22–26, 2025)

Vertex Pharmaceuticals (VRTX) Stock Week Ahead: Holiday-Shortened Trading, New Gene-Therapy Data, and Fresh Analyst Targets (Dec. 22–26, 2025)

Vertex Pharmaceuticals Incorporated (NASDAQ: VRTX) heads into the week of December 22–26, 2025 with a familiar setup for biotech investors: a cash-rich market leader in cystic fibrosis (CF), a pipeline that could meaningfully diversify revenue over the next 12–24 months, and a stock that can move quickly on headlines—even when broader markets are quiet. The difference this time is the calendar. U.S. equities trading will be compressed by Christmas, with an early close on Wednesday, Dec. 24 (1:00 p.m. ET) and markets closed Thursday, Dec. 25. That tends to thin liquidity and can magnify price swings—up or down—on even modest
22 December 2025
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BioMarin (BMRN) Stock Jumps on $4.8 Billion Amicus Deal: Latest News, Forecasts and Analyst Outlook for Dec. 21, 2025

BioMarin (BMRN) Stock Jumps on $4.8 Billion Amicus Deal: Latest News, Forecasts and Analyst Outlook for Dec. 21, 2025

BioMarin Pharmaceutical Inc. (NASDAQ: BMRN) is ending 2025 with a bang. Shares surged on Friday, December 19, closing at $61.15—up 17.71% on the day—after the company announced a $4.8 billion all-cash acquisition of rare-disease peer Amicus Therapeutics. Trading volume spiked to roughly 18.5 million shares, far above BioMarin’s recent daily activity, underscoring how dramatically the market repriced the story in a single session. Investing.com+2Reuters+2 As of Sunday, December 21, 2025, the weekend narrative around BioMarin stock is dominated by that deal—and what it signals: a sharper pivot toward durable rare-disease commercial franchises, an attempt to reduce dependence on BioMarin’s fast-growing
21 December 2025
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Healthcare Stocks News Today: Drug Pricing Shake-Up, Biotech M&A, IPO Momentum, and 2026 Outlook (Dec. 20, 2025)

Healthcare Stocks News Today: Drug Pricing Shake-Up, Biotech M&A, IPO Momentum, and 2026 Outlook (Dec. 20, 2025)

As of December 20, 2025, healthcare stocks are heading into year-end with a rare mix of policy clarity and policy risk—often at the same time. In the past 48 hours, the sector has been hit by major U.S. drug-pricing announcements, renewed focus on insurance premiums, and a fresh run of deal and IPO headlines that are reshaping investor expectations for 2026. Reuters+3Reuters+3Reuters+3 Below is a comprehensive roundup of the most market-moving healthcare news, plus the latest forecasts and sector analysis shaping how investors are positioning across pharma, biotech, managed care, medtech, and healthcare services into 2026. 1) Drug pricing is
20 December 2025
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Moderna Stock (MRNA) News, Forecasts and Analysis: CEPI Bird Flu Funding, FDA Scrutiny and the 2026 Outlook (Dec. 20, 2025)

Moderna Stock (MRNA) News, Forecasts and Analysis: CEPI Bird Flu Funding, FDA Scrutiny and the 2026 Outlook (Dec. 20, 2025)

December 20, 2025 — Moderna, Inc. (NASDAQ: MRNA) is ending the year in classic Moderna fashion: a tug-of-war between near-term uncertainty (COVID policy and demand) and long-term optionality (a pipeline that still wants to be the sequel to the pandemic-era blockbuster). The stock last traded around $33.80, up roughly 9% from the prior close, with a market cap near $13 billion and a 52-week range roughly $22–$49. Investing.com That jump comes as investors digest a fresh burst of pandemic-preparedness funding tied to Moderna’s H5 bird flu program—while, at the same time, headlines swirl around potential FDA actions on COVID-19 vaccine
20 December 2025
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Amicus Therapeutics (FOLD) Stock After Hours Dec. 19, 2025: BioMarin’s $14.50 Cash Buyout and What to Know Before the Next Market Open

Amicus Therapeutics (FOLD) Stock After Hours Dec. 19, 2025: BioMarin’s $14.50 Cash Buyout and What to Know Before the Next Market Open

Amicus Therapeutics, Inc. (NASDAQ: FOLD) ended Friday’s session (December 19, 2025) in a very different place than it started: the stock re-priced into “deal mode” after BioMarin Pharmaceutical (NASDAQ: BMRN) announced a definitive agreement to acquire Amicus in an all-cash transaction valued at roughly $4.8 billion. BioMarin Investors+2Reuters+2 With U.S. markets closed on the weekend, the “tomorrow open” investors are thinking about is really the next trading session on Monday, December 22, 2025—and the key question isn’t “growth vs. pipeline” anymore. It’s deal probability vs. deal timeline (and whether a rival bid emerges). SEC+1 What happened to Amicus Therapeutics stock
20 December 2025
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Biotech Stocks Today: FDA Fast Track Wins, PDUFA Delays and Deal Flow Move GLUE, ALDX, ADAG, PVLA as XBI and IBB Slide

Biotech Stocks Today: FDA Fast Track Wins, PDUFA Delays and Deal Flow Move GLUE, ALDX, ADAG, PVLA as XBI and IBB Slide

Updated: Tuesday, December 16, 2025 | Early afternoon ET (U.S. stock market) Biotechnology stocks are delivering a classic split-screen session in the U.S. market today: biotech ETFs are slipping, but a handful of single-name biotech movers are swinging sharply on FDA updates, clinical data, and year-end dealmaking. By early afternoon in New York (based on the latest available quotes at the time of writing), the SPDR S&P Biotech ETF (XBI) was down about 1.1%, while the iShares Biotechnology ETF (IBB) was also off about 1.1%—both lagging the broader tape. That “ETFs down, catalysts up (or down) even more” pattern is a big part of what makes biotech stocks today a headline
16 December 2025
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Nektar Therapeutics Stock (NKTR) Surges Into a Major Catalyst: What to Know Ahead of Today’s REZOLVE-AA Data

Nektar Therapeutics Stock (NKTR) Surges Into a Major Catalyst: What to Know Ahead of Today’s REZOLVE-AA Data

Nektar Therapeutics (NASDAQ: NKTR) is in classic “biotech catalyst mode” on December 16, 2025—the kind of day when a single dataset can rewrite a stock chart in minutes. Shares climbed in pre-market and overnight trading as investors positioned for topline results from the 36-week induction period of Nektar’s Phase 2b REZOLVE-AA study in severe-to-very-severe alopecia areata, featuring its lead investigational candidate rezpegaldesleukin (REZPEG / NKTR-358). The company scheduled an investor call and webcast for 8:00 a.m. ET, and said the topline results would be released in a morning press release before the webcast. PR Newswire+1 By the numbers, NKTR closed
16 December 2025
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Stock Market Today

Vodafone shares steady up after Q3 wobble — Germany, buyback and next results now set the tone

Vodafone shares steady up after Q3 wobble — Germany, buyback and next results now set the tone

7 February 2026
Vodafone shares rose 1.47% to 110.60p Friday, recovering part of Thursday’s 4.68% drop after a Q3 update. Group revenue climbed 6.5% to €10.5 billion, but Germany’s 0.7% service revenue growth missed some forecasts. Vodafone launched a new €500 million buyback tranche, bringing total buybacks since May to €3.5 billion. Investors remain focused on Germany’s pace and cash flow execution.
NatWest Group stock: buyback filing and Rightmove mortgage deal set up a busy week

NatWest Group stock: buyback filing and Rightmove mortgage deal set up a busy week

7 February 2026
NatWest shares closed up 1.45% at 659.4 pence Friday, buoyed by a buyback of 797,428 shares and a new digital mortgage deal with Rightmove. The Bank of England held rates at 3.75% but signaled possible cuts, with markets pricing in two reductions for 2026. NatWest plans to expand its Accelerator community to 50,000 members by 2026. Annual results are due Feb. 13.
Unilever share price holds at 5,250p as results week looms — what investors watch next

Unilever share price holds at 5,250p as results week looms — what investors watch next

7 February 2026
Unilever shares closed flat at 5,250p in London Friday, underperforming the FTSE 100’s 0.6% gain. The company issued 4.2 million new shares for employee plans, bringing total shares to over 2.18 billion. Investors await Q4 and full-year results on Feb. 12, with analyst consensus pointing to 3.9% Q4 sales growth. Unilever’s U.S. ADR rose 0.8% to $72.12.
BP share price near 52-week high ahead of Feb 10 earnings as buyback runs on

BP share price near 52-week high ahead of Feb 10 earnings as buyback runs on

7 February 2026
BP shares closed up 1.9% at 478 pence Friday, just below a 52-week high, as the company continued buybacks ahead of next week’s results. BP repurchased 2.789 million shares on February 6. Oil prices firmed on geopolitical risk, with Brent at $68.05 a barrel, but sector outlook remains uncertain. Investors await BP’s earnings and dividend decision due Tuesday.
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