News 20 Únor 2026 - 25 Únor 2026

UnitedHealth stock extends slide after bell as Medicare Advantage deadline nears
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Akcie UnitedHealth pokračují v poklesu po uzavření burzy, blíží se termín pro Medicare Advantage

UnitedHealth Group shares fell 2.6% to $273.95 in after-hours trading Tuesday, deepening a two-day drop of about 5.5%. The decline comes as investors brace for potential changes to Medicare Advantage payments, with a key public comment deadline set for Feb. 25. Other major health insurers, including Humana and Elevance, also closed lower despite gains in broader indexes.
25 února, 2026
Sandisk stock price jumps 5% as SNDK traders weigh Western Digital overhang and Nvidia week
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Cena akcií Sandisk vyskočila o 5 %, obchodníci se SNDK zvažují vliv Western Digital a týden Nvidie

Sandisk shares jumped 5.2% to $683.53 in early New York trading Monday, rebounding from $645.88 amid heavy volume. The move follows Western Digital’s plan to sell about 5.8 million Sandisk shares to cut debt. Investors await signals on AI infrastructure demand ahead of Sandisk executives’ appearance at a Bernstein forum Wednesday. Western Digital shares rose 0.8% at the open.
24 února, 2026
GE Vernova stock holds near $831 after hours as Amazon’s $12 billion data-center plan keeps power-demand trade in focus
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Akcie GE Vernova se po uzavření drží kolem 831 dolarů, protože Amazonův plán na datová centra za 12 miliard dolarů udržuje v centru pozornosti obchodování s poptávkou po elektřině

GE Vernova Inc. rose 0.1% to $831.30 in late Monday trading as U.S. markets fell on Trump’s surprise 15% tariff announcement. The company reported $150 billion in backlog and a quarterly dividend of $0.50 per share. Dominion Energy raised its five-year capital plan to $64.7 billion. Nvidia reports Q4 results on Feb. 25.
24 února, 2026
IREN stock pops nearly 6% as MSCI index add nears and Cantor filing draws eyes
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Akcie IREN vzrostly téměř o 6 % díky blížícímu se zařazení do indexu MSCI a zájmu o podání Cantor

IREN Limited rose nearly 6% to $42.28 in Monday afternoon trading, outpacing other U.S.-listed crypto miners despite a slight bitcoin decline. The stock is set to join the MSCI USA index after markets close Feb. 27. Cantor Fitzgerald disclosed it sold its 3.47 million-share IREN stake and added put options by year-end. IREN posted a Q4 net loss of $155.4 million as it shifts from bitcoin mining to AI cloud services.
24 února, 2026
Why SLS stock is jumping premarket: SELLAS Life Sciences puts REGAL Phase 3 countdown back in play
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Proč akcie SLS před trhem rostou: SELLAS Life Sciences znovu spouští odpočet fáze 3 studie REGAL

SELLAS Life Sciences rose 3.4% to $4.29 in premarket trading Monday after closing Friday at $4.15 on heavy volume. Traders are watching for the 80th event in the phase 3 REGAL trial for AML, with results expected by mid-March. Short interest stands at 41.33 million shares, or 24.4% of float. SELLAS reported $71.8 million in cash at year-end, plus $26.5 million from recent warrant exercises.
23 února, 2026
Barclays PLC share price rises after buyback update as UK bank focus turns to HSBC
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Cena akcií Barclays PLC roste po oznámení zpětného odkupu, pozornost britských bank se obrací k HSBC

Barclays shares rose 1.1% to 478.9 pence in early London trading after the bank announced it bought back 4.21 million shares for cancellation on February 20. The buyback, executed via J.P. Morgan, brought the total repurchased since February 10 to 25.38 million shares. Lloyds and HSBC shares also gained. HSBC’s full-year results are due Wednesday.
23 února, 2026
AbbVie stock (ABBV): FDA clears new Venclexta-Calquence CLL combo — what to watch Monday
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Akcie AbbVie (ABBV): FDA schválila novou kombinaci Venclexta-Calquence pro CLL — na co si dát v pondělí pozor

U.S. regulators approved a new first-line treatment for chronic lymphocytic leukemia combining AbbVie’s Venclexta and AstraZeneca’s Calquence, citing improved progression-free survival over standard therapy. AbbVie shares closed up 0.21% at $224.81 Friday. Barclays initiated coverage with an “overweight” rating and $275 target. Investors await further market reaction when trading resumes Monday.
23 února, 2026
UnitedHealth stock holds near $290 as Medicare Advantage rates loom — what to watch next week
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Akcie UnitedHealth se drží kolem 290 dolarů, blíží se sazby Medicare Advantage — co sledovat příští týden

UnitedHealth shares closed Friday at $290, up just 0.02%, after a volatile session. New federal data show Medicare Advantage enrollment growth is slowing, with about 35.5 million members in early February. Insurers including UnitedHealthcare and Aetna have cut benefits and exited some regions. CMS will close public comments on proposed 2027 payment changes on Feb. 25.
22 února, 2026
Cisco stock holds near $79 after insider sale filing as Nvidia earnings loom for CSCO
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Akcie Cisco se drží kolem 79 dolarů po oznámení prodeje zasvěcenými, zatímco se blíží výsledky Nvidie pro CSCO

Cisco closed Friday at $79.20, up 0.8%, marking a third straight gain. Chief operating officer Thimaya K. Subaiya sold 10,233 shares for nearly $804,000 under a preset plan. Cisco now expects AI orders to top $5 billion, but forecasts non-GAAP gross margin for the quarter at 65.5% to 66.5%. Investors await Nvidia’s results next week for signals on AI infrastructure spending.
22 února, 2026
Oracle stock tumbles 5% before Monday open as OpenAI funding jitters return
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Akcie Oracle klesly o 5 % před pondělním otevřením burzy kvůli obnoveným obavám z financování OpenAI

Oracle shares fell 5.4% Friday to $148.08, underperforming the broader market despite easing trade uncertainty after a U.S. Supreme Court ruling. The drop followed reports that OpenAI plans to spend $600 billion on computing by 2030 and is preparing for an IPO. Nvidia is nearing a $30 billion investment in OpenAI. Oracle’s stock remains closely tied to AI investment sentiment.
22 února, 2026
CrowdStrike stock hit by Anthropic’s “Claude Code Security” shock — what to watch before Monday
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Akcie CrowdStrike zasaženy šokem z „Claude Code Security“ od Anthropic — co sledovat před pondělím

CrowdStrike shares fell 7.9% to $388.60 Friday after Anthropic launched its AI code security tool, triggering a broader drop in cybersecurity stocks. Traders cited concerns that new AI products could disrupt software subscription models. Investors now await CrowdStrike’s March 3 earnings for signals on demand and AI-driven competition.
22 února, 2026
Trump Media (DJT) stock ends week near $10 as Truth Social ETF manager targets MAGA fund
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Akcie Trump Media (DJT) zakončily týden blízko 10 dolarů, zatímco správce ETF Truth Social cílí na MAGA fond

Trump Media & Technology Group fell 4.3% Friday, closing at $10.11. Yorkville America Equities agreed to acquire the MAGA ETF, aiming to complete the deal in Q2. The MAGA fund would be rebranded as Truth Social America First ETF, pending approvals. Investors await Monday’s market open, watching if DJT stays above $10 and for updates on the planned Trump Media token.
21 února, 2026
Oracle stock price slides 5% after OpenAI’s $600 billion compute plan surfaces; ORCL traders eye Nvidia next
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Cena akcií Oracle klesá o 5 % po zveřejnění plánu OpenAI na výpočetní výkon za 600 miliard dolarů; obchodníci s ORCL sledují další krok Nvidie

Oracle shares fell 5.4% to $148.08 in after-hours trading Friday, underperforming the broader U.S. market. OpenAI plans to spend $600 billion on computing by 2030, with Nvidia reportedly ready to invest $30 billion. Investors await Oracle’s 2026 financing details and Nvidia’s earnings on February 25. Oracle launched new AI and healthcare products this week.
21 února, 2026
Nebius Group N.V. (NBIS) stock slides below $100 as options buzz meets capex nerves
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Akcie Nebius Group N.V. (NBIS) klesají pod 100 dolarů, když opční spekulace narážejí na obavy z kapitálových výdajů

Nebius Group (NBIS) shares fell about 8% to $99.12 on Nasdaq Friday after earlier reaching $108.30, with trading volume above 12.8 million shares. The drop followed a two-day rally of over 10% amid analyst upgrades and heavy options activity. Investors focused on Nebius’s 2026 expansion plans and funding risks ahead of earnings. The company recently agreed to acquire Tavily for cash.
21 února, 2026
Oracle (ORCL) stock slides as OpenAI’s $100 billion fundraise and Nvidia earnings loom
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Akcie Oracle (ORCL) klesají, zatímco se blíží získání 100 miliard dolarů od OpenAI a výsledky hospodaření Nvidie

Oracle shares fell 2.7% to $152.25 by 10:51 a.m. EST, trailing broader market gains. Nvidia is nearing a $30 billion investment in OpenAI as part of a funding round that could top $100 billion, according to a source. The S&P 500 rose 0.44% and the Nasdaq gained 0.62% after the U.S. Supreme Court struck down Trump-era tariffs.
20 února, 2026
Why Alphabet’s GOOG stock is up today: Gemini 3.1 Pro rollout and a new AI shopping deal
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Proč dnes akcie Alphabetu (GOOG) rostou: Zavedení Gemini 3.1 Pro a nová AI dohoda v oblasti nakupování

Alphabet Class C shares rose 2.1% to $309.87 in early Friday trading after Google launched a preview of Gemini 3.1 Pro for Vertex AI and Gemini Enterprise customers. Google and Sea announced plans to develop an AI shopping prototype for Shopee. U.S. GDP grew 1.4% in Q4, below forecasts, while inflation data came in higher than expected.
20 února, 2026
Micron stock price slips after hours as Samsung HBM4 pricing report keeps AI memory in focus
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Cena akcií Micron po uzavření trhu klesá, protože zpráva o cenách Samsung HBM4 udržuje paměť pro AI v centru pozornosti

Micron shares fell 1% after hours Thursday to $417.35. Samsung stock hit a record in Seoul after reports it may price new HBM4 AI memory chips at $700 each, about 30% above the previous generation. U.S. investors await Friday’s PCE inflation data for signals on interest rates. The S&P 500 closed down 0.28%; Nasdaq lost 0.31%.
20 února, 2026
Microsoft stock price slips after hours as MSFT goes ex-dividend and $50B AI push lands
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Cena akcií Microsoftu po uzavření trhu klesá: MSFT jde ex-dividend a spouští investici 50 miliard dolarů do AI

Microsoft shares fell 0.3% to $398.46 in after-hours trading Thursday, following the ex-dividend date for a 91-cent payout. Director John W. Stanton bought 5,000 shares at $397.35 each on Feb. 18. Microsoft announced a $50 billion AI investment plan for emerging markets. CrowdStrike shares rose 1.5% after the companies expanded their cloud partnership.
20 února, 2026
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