Stock prices moved unevenly across U.S. markets on Monday, with several large-cap technology and industrial names retreating while a mix of mid-cap and small-cap companies showed large percentage swings tied to corporate news and clinical updates.
The most pronounced moves touched a wide array of sectors, from semiconductors and cloud software to specialty chemicals and biotech. Below are the day's notable movers, grouped by market-cap range and reported with the percentage changes given in the market data.
Mega-Cap Movers ($200B+ Market Cap)
- Arm (ARM): -9.53%
- GE Vernova LLC (GEV): -3.26% - BNP Paribas Exane downgrades GE Vernova stock rating to neutral
- Advanced Micro Devices (AMD): -3.88%
- Tesla Motors (TSLA): -2.51%
- Alibaba-exch (BABA): -2.56%
- Oracle Corp (ORCL): -1.45%
- Micron Tech (MU): +4.16%
- Intel Corp (INTC): +1.96%
Large-Cap Movers ($10B-$200B Market Cap)
- Applied Opt (AAOI): -10.58%
- Dominos Pizza Inc (DPZ): -10.06%
- Rambus Inc (RMBS): -8.17%
- Credo Technology Holding (CRDO): -7.88%
- Astera Labs (ALAB): -7.27%
- Lumentum Holdings Inc (LITE): -4.94%
- Stanley Works (SWK): +1.44%
- Venture Global Inc (VG): +5.59%
- SanDisk Corp-Exch (SNDK): +5.18%
- Qualcomm Inc (QCOM): -0.26%
Mid-Cap Movers ($2B-$10B Market Cap)
- POET Tech NAQ (POET): -45.0% - Poet Technologies loses orders after Marvell cancels purchase
- Veradermics Inc (MANE): +42.03% - Veradermics to present Phase 2/3 hair loss trial results Monday
- ARCA biopharma (ORKA): +20.57% - ORKA-001 achieves 63.5% complete skin clearance in trial
- Organon Co (OGN): +17.1%
- MaxLinear Inc (MXL): -10.85%
- Erasca (ERAS): -6.79%
- Cleveland Cliffs (CLF): +6.81%
- Beam Inc. (BEAM): +9.15%
- Israel Chemicals Ltd (ICL): +6.08%
- Chenghe Acquisition II (PLBL): -2.55%
Small-Cap Movers ($300M-$2B Market Cap)
- Compass Therapeutics, NAQ (CMPX): -52.69% - Compass Therapeutics' tovecimig meets PFS endpoint in bile duct cancer
- Real Brokerage USA (REAX): -26.68%
- Velo3D (VELO): -20.16%
- AAOX (AAOX): -21.33%
- LightPath Technol (LPTH): -14.23%
- LITX (LITX): -10.41%
- AMDL (AMDL): -8.3%
- Pegasus Digital Mobility (SHMD): -5.95% - SCHMID Group reports Q1 order intake of €13.6M, reaffirms 2026 guidance
- XOMA Ltd (XOMA): +9.39% - Ligand to acquire XOMA Royalty for $739 million in cash
- MUU (MUU): +7.8%
The trading day featured both company-specific catalysts and analyst action. Examples included a bank downgrade on GE Vernova and a cancelled order that weighed heavily on POET Tech. Clinical trial readouts and acquisition announcements supported gains for several biotech and small-cap companies.
Market participants saw a mix of declines among large-cap technology and industrial names, while specific biotech and specialty industrial stocks recorded sharp rallies or steep declines tied to trial outcomes, corporate actions, and order changes.
Readers should note that the data above reflects the reported percentage moves and the limited contextual notes that accompanied specific tickers; the summaries remain confined to the facts provided with each stock listing.