Why stocks rose and fell on Oct 21, 2026
33 stocks with notable moves: companies over $10B that moved more than 5%, plus the sharpest moves among smaller companies. For each — the day's headlines with a link to the source; if there was no news, the page says so. The strongest sector was Technology (+1.65%), the weakest Consumer Defensive (−1.09%).
Gainers · 26
- Market pulseBitcoin rebound and completed $630 million SATS raise lift Strive 12.5% intraday
- Fiscal.AiStrive's Bitcoin Treasury Reaches 36,818 BTC
- BenzingaStrive's Jeff Walton Sees $1 Trillion Bitcoin Opportunity in Credit Markets
No news on Absci today. The Healthcare sector moved −0.22% (median).
No news on Netskope today. Its industry peers (Software - Infrastructure) that day: “AI data-center peer rally on power demand lifts NUAI 18% in regular hours”.
- FinanceWireBeyond Big Tech: 4 Companies Capitalizing on Infrastructure and Agentic AI (CHGA, PENG, AIP, INOD)
- Fiscal.AiInnodata Announces Leadership Transition and Reiterates Full-Year 2026 Guidance
- Market pulseSuper Micro Computer issues preliminary Q1 FY27 outlook with revenue $18.5–$19.5B and gross margin 12.0%–12.5% on strong AI demand
- Market pulseSuper Micro Computer issues preliminary Q1 FY27 outlook with revenue $18.5–$19.5B and gross margin 12.0%–12.5%
- Business WireSupermicro Provides First Quarter of Fiscal Year 2027 Preliminary Business Update
- Market pulseDanaher’s strong earnings and improving-demand commentary lift Charles River 7% with CRO peers
- Benzinga$1000 Invested In Charles River 15 Years Ago Would Be Worth This Much Today
- Market pulseBitcoin’s risk-on rally above $84,000 lifts Strategy 8.4% by early Wednesday afternoon
- BenzingaBitcoin Taps $84,000 but It's MSTR That's 'Massively Undervalued,' Samson Mow Argues
- Market pulseBloom Energy seen as potential beneficiary after Elon Musk flags AI power and cooling bottleneck, unveils SpaceX plan for 20 GW diversified power by 2027
- StocktwitsBE Stock Leads Energy Rally After SpaceX CEO Elon Musk Says AIs Real Constraint Is Power And Cooling, Not Chips
- InvestorsHubWhy Is Bloom Energy Stock Rising in Pre-Market Trading?
No news on TTM Technologies today. The Technology sector moved +1.65% (median).
No news on MongoDB today. Its industry peers (Software - Infrastructure) that day: “AI data-center peer rally on power demand lifts NUAI 18% in regular hours”.
- Market pulseBernstein AI-demand upgrade extends Datadog rally amid broader AI-stock rebound Wednesday
- Fiscal.AiAnalyst Maintains Bullish Rating on Datadog
- Market pulseMedpace Holdings Inc reports Q3 2026 revenue $716.0M (+9% YoY), beating estimates
- Market pulseMedpace posts Q3 2026 GAAP EPS $4.84 and revenue $716.0M (+9% YoY) beating estimates, issues 2026 guidance and $1.0B buyback through 2028
- Business WireMedpace Holdings, Inc. Reports Third Quarter 2026 Results
- Market pulseThermo Fisher and Danaher earnings lift ICON 7% as CRO peers rally
- Market pulseSupermicro’s AI-demand revenue preannouncement lifts Credo 8% after hours alongside infrastructure peers
- Market pulseSupermicro’s AI-demand beat lifts Credo 8.9% amid a broad global chip rebound
- Market pulseEBITDA growth and deleveraging lift América Móvil 5% despite Q3 forecast misses
- BenzingaAmerica Movil Q3 2026 Earnings Call Transcript
The trigger was the quarterly report: EPS +7% year over year, 5.2% below the estimate.
No news on CIENA today. Its industry peers (Communication Equipment) that day: “Super Micro Computer blowout preliminary quarterly revenue spotlights AI server peer Hewlett Packard Enterprise”.
- Market pulseIllumina launches three new AI-driven early-access tools expanding BioInsight Platform for large-scale genomic analysis and discovery
- PR NewswireIllumina To Webcast Upcoming Investor Conference
- PR NewswireIllumina BioInsight Platform expands with new software to accelerate the path from sequencing to discovery
- Market pulseRocket Lab-built Maxwell spacecraft with new L-band radio launches for NASA’s $81M Communications Services Project demo
- BenzingaSpace Stocks Coast Through SpaceX Q3 Print: Rocket Lab, Firefly Steady
- Fiscal.AiRocket Lab Announces Third Quarter 2026 Earnings Release Date
- Market pulseRoivant reports positive Phase 3 CLARITY-1 and CLARITY-2 results for brepocitinib in non-infectious uveitis, targets sNDA filing in 1H 2027
- GlobeNewswireRoivant and Priovant Announce Positive Results in CLARITY-1 and CLARITY-2 Phase 3 Trials for Brepocitinib in Non-Infectious Uveitis (NIU)
- BenzingaRoivant Says Brepocitinib Met Primary, All Key Secondary Endpoints In Two Phase 3 Non-Infectious Uveitis Trials; Plans sNDA In H1 2027
- Market pulseCritical ‘PHP2Shell’ PHP flaws highlight Cloudflare Web Application Firewall as key mitigation layer
- Fiscal.AiCommerce and Cloudflare Partner to Bring AI Shopping Assistants to BigCommerce Merchants
- BenzingaCloudflare Deploys Protections Against php2shell Vulnerability; Says Co Been Part Of Coordinated Effort To Deploy Mitigations To Protect Internet, Working With PHP Foundation, OpenAI And Wiz Among Others; Deployed Multiple Mitigations For All Its Customers While The Vulnerability Was Leaked Before The Official Release Date
- Market pulseSuper Micro's AI-demand update lifts Dell 5.5% into Wednesday's early pre-market session
- Market pulseDell expands AI Factory with NVIDIA, launching new agentic AI systems and modular data center solutions for enterprises
- MarketWatchSuper Micro's stock soars after surprise update - with Dell and HPE shares joining the rally
- Market pulseCrowdStrike expands NVIDIA collaboration to integrate Falcon Guardian AI with NVIDIA OpenShell and planned NVIDIA Sentry enforcement
- Fiscal.AiCrowdStrike Collaborates on NVIDIA OpenShell Reference Architecture
- Business WireCrowdStrike and NVIDIA Expand AI Agent Security from Software to Silicon
No news on Symbotic today. Its industry peers (Specialty Industrial Machinery) that day: “AI power-bottleneck warnings lift Standex 3.1% with electrical-equipment peers by midday”.
Decliners · 7
- Market pulseNo clear catalyst identified; Arcus reversal deepens despite bullish casdatifan analyst coverage
- Market pulseArcus Biosciences announces it has commenced a public offering of its common stock.
- Fiscal.AiWedbush Adjusts Price Target on Arcus Biosciences to $49 From $43, Keeps Outperform Rating
- Market pulseLithia Motors posts record Q3 revenue $9.9B (+3% YoY) with non-GAAP EPS $10.34 (+9% YoY), beating EPS and revenue estimates
- Market pulseLithia Motors beats Q3 estimates with record $9.9B revenue, EPS up 9% as used GPUs and DFC offset new-vehicle softness
- GlobeNewswireLithia & Driveway (LAD) Reports Third Quarter Results, Achieves 54% Increase in Diluted Earnings Per Share, 9% Increase in Adjusted Diluted Earnings Per Share, and Raises Quarterly Dividend 7%
The trigger was the quarterly report: EPS +9% year over year, 6.6% above the estimate.
- Market pulseAT&T beats Q3 2026 estimates, raises full-year EPS outlook to about $2.40 as net leverage climbs to 3.13x
- Market pulseAT&T beats Q3 2026 estimates, raises EPS outlook to about $2.40, records $2.6B non-cash impairment on held-for-sale AT&T Mexico unit
- BenzingaAT&T, SpaceX And 3 Stocks To Watch Heading Into Wednesday
The trigger was the quarterly report: EPS +20% year over year, 8.1% above the estimate.
- Market pulseAbbott earnings readthrough pressures Dexcom 6.6% as competitor CGM growth slows ahead of Dexcom earnings
- MarketWatchDexCom Inc. stock underperforms Wednesday when compared to competitors
- Earnings WhispersDexCom's Whisper Bar Sits Above Consensus As Ireland Costs Test Its Margin Story
- Market pulseNetflix cuts full-year ad revenue forecast to $2.7B from $3B but reaffirms double-digit growth goal, overhauls U.S. content
- Market pulseBarclays and Goldman Sachs cut Netflix price targets after Q3, flag weaker revenue guidance and ad, U.S. content concerns
- BenzingaNetflix Sees Q4 GAAP EPS $0.67 vs $0.73 Est; Sees Sales $13.442B vs $13.517B Est
The trigger was the quarterly report: EPS +48% year over year, 6.0% above the estimate.
- Market pulseTD Cowen downgrades Chipotle to Hold from Buy, cuts price target to $32 on softer sales outlook
- Market pulseTD Cowen downgrades Chipotle to Hold as Deutsche Bank cuts price target to $45 ahead of Q3 earnings
- Earnings WhispersChipotle's Turnaround Faces A Cyclospora Test As Shares Sink Toward Post-Earnings Lows
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