Equity markets saw concentrated volatility on Tuesday, with notable winners and losers spanning mega-cap technology names down to small-cap biotech and industrial stocks. Company updates ranging from strategic partnerships to quarterly results and capital-return programs drove many of the largest percentage moves.
Below is a breakdown of the most significant market-cap stock movers from the largest listed companies to small-cap names that experienced the biggest intraday swings.
Mega-Cap Movers (Market Cap: $200 billion USD or higher)
- Advanced Micro Devices (AMD); AMD, Meta announce 6-gigawatt AI infrastructure partnership +9.56%
- Intel Corp (INTC) +5.87%
- GE Vernova LLC (GEV) +5.42%
- Oracle Corp (ORCL) +3.53%
- IBM (IBM); IBM partners with Deepgram for voice AI integration +2.62%
- Home Depot (HD) +2.18%
- Amazon Com Inc (AMZN) +2.28%
- United Health Group (UNH) -2.71%
- Avago Technologies (AVGO) -1.68%
- United Tech (RTX) -2.13%
Large-Cap Stock Movers (Market Cap: $10-$200 billion USD)
- Keysight Technologies (KEYS); Keysight Technologies soars on strong guidance, earnings beat +22.2%
- Leonardo DRS (DRS) +16.49%
- Westlake Chemical Corp (WLK) +13.4%
- Figma Inc (FIG) +10.42%
- HubSpot Inc (HUBS) +7.63%
- CoreWeave (CRWV) +7.86%
- Fortress Transport Infrast (FTAI) +7.12%
- Xpeng Inc (XPEV) +6.44%
- Dillards (DDS); Dillard’s beats profit view despite revenue shortfall -6.82%
- Expeditors Intl Wash Inc (EXPD); Expeditors authorizes $3 billion share buyback program -8.54%
Mid-Cap Stock Movers (Market Cap: $2-$10 billion USD)
- Xometry (XMTR); Xometry shares rise 5% on Q4 beats as marketplace revenue surges -20.34%
- CECO Environmenta (CECO); CECO Environmental to acquire Thermon for $2.2 billion -21.74%
- NantKwest (IBRX) +17.96%
- Fermi America LLC (FRMI) +17.38%
- Ultra Clean Holdi (UCTT); Ultra Clean Holdings falls on earnings miss despite revenue beat +14.05%
- Ikonics Corp (WULF) +14.16%
- Beam Inc. (BEAM) +13.41%
- Good Works Acquisition (CIFR) +13.04%
- Whirl Pool Corp (WHR); Whirlpool launches $800M stock and preferred share offerings -11.78%
- China Yuchai International Ltd (CYD); China Yuchai falls over 5% despite beating revenue estimates -11.21%
Small-Cap Stock Movers (Market Cap: $300 million - $2 billion USD)
- Pieris Pharmaceuticals Inc (PVLA); Palvella reports positive Phase 3 results for lymphatic malformation gel +38.16%
- Lion Biotechnologies (IOVA) +34.78%
- Calgon Carbon Corp (CLVT); Clarivate rises over 3% on earnings beat and upbeat guidance +31.55%
- Vir Biotechnology Inc (VIR); Raymond James upgrades Vir Biotechnology stock rating on drug data +25.57%
- AXT Inc (AXTI) +19.19%
- AMDL (AMDL) +18.76%
- Tennant Co. (TNC) -25.22%
- Shoals Technologies Group (SHLS); Shoals Technologies stock falls 11% on earnings miss despite revenue beat -24.44%
- Proteon Therapeutics Inc (TARA); Protara reports interim results from bladder cancer trial -22.68%
- Churchill Capital III Corp (CTEV) -44.55%
Movements in the session reflected a mix of strategic announcements, earnings surprises, creditable guidance and capital allocation decisions. Technology-related news, including AI-related collaborations and product or services guidance, accounted for several of the largest percentage gains among mega- and large-cap names. Meanwhile, earnings misses and capital actions such as buyback authorizations and new security offerings were among catalysts for some of the declines.
Takeaway
The trading day highlighted how discrete corporate developments can produce concentrated volatility across market-cap segments. Investors reacted to both positive company-specific news - like partnerships and earnings beats - and negative signals such as revenue shortfalls, earnings misses or issuance programs.