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Stock Market News 21 January 2026

Corvus Pharmaceuticals stock whipsaws: CRVS slides after $150 million offering follows eczema data surge

Corvus Pharmaceuticals stock whipsaws: CRVS slides after $150 million offering follows eczema data surge

Corvus Pharmaceuticals shares fell 8% to $19.68 in premarket trading Wednesday after announcing a $150 million stock-and-warrant offering. The drop follows a 167% surge Tuesday on positive Phase 1 data for soquelitinib in atopic dermatitis. Corvus paused its $100 million at-the-market share sales facility ahead of the new deal. No severe adverse events were reported in the trial.
Berkshire’s Kraft Heinz Exit Signal? SEC Filing Sparks After-Hours Slide in KHC Stock

Berkshire’s Kraft Heinz Exit Signal? SEC Filing Sparks After-Hours Slide in KHC Stock

Berkshire Hathaway has listed its 27.5% stake in Kraft Heinz for possible sale, according to a new SEC filing. Kraft Heinz shares fell nearly 5% in after-hours trading after the disclosure. The prospectus allows Berkshire to sell its 325.4 million shares but does not require a sale. Attention is on Berkshire CEO Greg Abel as he navigates the company’s major holdings.
Roblox stock tumbles nearly 10% premarket as age-check rollout comes under the microscope

Roblox stock tumbles nearly 10% premarket as age-check rollout comes under the microscope

Roblox shares fell 9.7% to $78.84 in premarket trading Wednesday after a broader tech selloff. Investors are watching for signs that the company’s new age verification for chat could slow user spending or engagement. An Oppenheimer note found no early “material” impact, but sample sizes remain small. Roblox reports earnings Feb. 5.
HYMC stock pops in premarket: what’s driving Hycroft Mining as gold tops $4,800

HYMC stock pops in premarket: what’s driving Hycroft Mining as gold tops $4,800

Hycroft Mining shares surged 24% to $42.77 in Wednesday’s premarket as gold hit a record above $4,800 an ounce amid U.S.-NATO tensions over Greenland. A Form 144 filing showed a trust linked to a Hycroft director plans a minor share sale. Silver hovered just below its all-time high. Other miners also advanced, with Newmont up 4% and Hecla Mining rising 6%.
Shopify (SHOP) stock price slides 7% on tariff jitters — what to watch before the open

Shopify (SHOP) stock price slides 7% on tariff jitters — what to watch before the open

Shopify shares fell 7.26% Tuesday to $144.50, outpacing declines in the Nasdaq and S&P 500 after renewed tariff threats from Washington rattled markets. The Cboe Volatility Index hit an eight-week high. At the NRF show in New York, Shopify announced a partnership with Verifone to expand in-store payment options. Shares edged up 0.6% to $145.30 in after-hours trading.
Kraft Heinz stock hit by Berkshire sale signal: what to know before the open

Kraft Heinz stock hit by Berkshire sale signal: what to know before the open

Kraft Heinz shares fell nearly 5% in after-hours trading Tuesday after a filing signaled Berkshire Hathaway may sell its stake. The SEC document allows for resale of up to 325 million shares but does not confirm a sale. The drop erased earlier gains and pushed the stock below its 52-week low. Investors await further disclosures and Kraft Heinz’s Feb. 11 earnings release.
Block stock steadies before the bell after 5% slide as $200B lending milestone hits tape

Block stock steadies before the bell after 5% slide as $200B lending milestone hits tape

Block Inc shares rose 0.3% to $62.82 premarket Wednesday after sliding 5% the previous day amid a broad U.S. market selloff. The company said it has extended over $200 billion in credit through Cash App Borrow, Afterpay, and Square Loans, maintaining steady loss rates since 2013. Block’s quarterly earnings are due Feb. 19. Investors are watching for signs of credit stress as lending volumes grow.
Peloton stock price ahead of the open: PTON steadies after 7% slide as insider sale filing lands

Peloton stock price ahead of the open: PTON steadies after 7% slide as insider sale filing lands

Peloton shares hovered near $5.86 in early premarket Wednesday after a 7.4% drop Tuesday and heavy trading volume. A regulatory filing showed COO Charles Kirol sold 22,520 shares on Jan. 16 to cover taxes on vested stock awards. Investors await the Feb. 5 quarterly report for signs of stabilizing subscription numbers. Revenue and paid subscriptions both fell 6% year-on-year in the last quarter.
United Airlines stock pops in premarket after UAL lifts 2026 profit outlook — what investors watch next

United Airlines stock pops in premarket after UAL lifts 2026 profit outlook — what investors watch next

United Airlines shares rose about 4% to $113.02 in premarket trading Wednesday after the company raised its 2026 profit forecast, citing strong premium and loyalty revenue. Fourth-quarter adjusted earnings reached $3.10 per share on $15.4 billion revenue. The airline estimated a $250 million pre-tax hit from the U.S. government shutdown. Management’s earnings call is scheduled for later Wednesday.
IBM stock slides nearly 5% after tariff-fueled selloff; AI push and earnings set the next test

IBM stock slides nearly 5% after tariff-fueled selloff; AI push and earnings set the next test

IBM shares fell 4.8% to $291.35 Tuesday, dragging the Dow about 150 points lower. The drop followed IBM’s rollout of new “agentic AI” services and partnerships, and came as investors reacted to renewed tariff threats from President Trump. Evercore ISI raised its IBM price target to $330 ahead of the Jan. 28 earnings report. Accenture shares also slid 4.7% in the broader tech selloff.
Rolls-Royce share price slips as £200m buyback grinds on and valuation debate returns

Rolls-Royce share price slips as £200m buyback grinds on and valuation debate returns

Rolls-Royce shares fell 1.3% to 1,264 pence in early London trading after the company disclosed further buybacks under its £200 million programme. The drop follows a sharp rally that pushed the stock to a twelvefold gain since January 2023. Analysts flagged the forward P/E ratio at 44.2 as “exceptionally high” ahead of full-year results due Feb. 26.

Stock Market Today

ST Engineering stock price drops 2% to S$9.71 as drone-autonomy tie-up grabs attention

ST Engineering stock price drops 2% to S$9.71 as drone-autonomy tie-up grabs attention

7 February 2026
ST Engineering shares fell 1.9% to S$9.71 Friday, outpacing the Singapore market’s 0.8% drop amid a tech-led selloff. The company signed a deal with Shield AI at the Singapore Airshow to integrate autonomy software into its unmanned platforms and unveiled a small drone capable of carrying explosives. About 6.9 million shares traded as investors await full-year results on Feb. 27.
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