Wednesday's trading session produced a range of sharp moves across market-cap segments, driven by company announcements and other headline items. The largest-cap group was led higher by Arm and Advanced Micro Devices, while some established chip names weakened.
Mega-cap highlights
- Arm (ARM) rallied 13.6%.
- Advanced Micro Devices (AMD) climbed 7.43%.
- Intel Corp (INTC) rose 6.44%.
- Lam Research Corp (LRCX) added 5.39%.
- General Electric (GE) gained 4.7%.
- Goldman Sachs Group (GS) was up 4.63%; the report notes GridStor acquires 199 MW battery storage project in Colorado.
- Morgan Stanley (MS) increased 3.82%.
- Citigroup (C) advanced 4.06%.
- Kla-tencor Corp (KLAC) moved up 3.88%.
- Analog Devices (ADI) declined 6.03%.
Large-cap movers
- Montes Archimedes Acquisition (ROIV) jumped 15.17%; Roivant shares jump 10% on earnings beat despite revenue miss.
- Astera Labs (ALAB) rose 15.91%.
- Guardant Health (GH) gained 13.23%; Guardant Health receives FDA approval for expanded liquid biopsy test.
- Summit Therapeutics PLC (SMMT) increased 11.23%.
- Iris Energy (IREN) advanced 10.52%.
- Delta Air Lines New (DAL) climbed 10.49%.
- Super Micro Compu (SMCI) moved up 10.52%.
- United Continental (UAL) rose 10.45%.
- Carnival Corp-Exch (CCL) added 9.44%.
- Talen Energy Corp (TLN) was up 9.07%.
Mid-cap action
- Immunovant Inc (IMVT) surged 33.82%; Immunovant stock surges 8% despite earnings miss on drug trial data.
- Live Oak Acq (NVTS) rose 17.24%.
- Enphase Energy Inc (ENPH) climbed 14.34%.
- RXO Inc (RXO) gained 10.53%.
- Inflection Point Acquisition II (USAR) increased 12.35%.
- Wayfair Inc (W) moved up 10.91%.
- Relay Therapeutics Inc (RLAY) rose 11.23%; Relay Therapeutics stock rating upgraded by Jones Trading on trial data.
- AltC Acquisition (OKLO) gained 10.42%.
- Norwegian Cruise Line Holdings Ltd (NCLH) added 9.26%.
Small-cap winners and losers
- TECO Energy Inc-Exch (TE) was up 27.3%.
- TAT Technologies (TATT) climbed 20.83%.
- RoboStrategy (BOT) rose 16.61%; RoboStrategy names Andrew Kang as chief executive officer.
- Galena Biopharma (SLS) advanced 16.73%.
- AMDL (AMDL) gained 15.2%.
- United States Antimony Corp (UAMY) moved up 14.05%.
- Overstock.com (BBBY) increased 13.86%.
- Perion Network (PERI) fell 15.18%.
- AXTX (AXTX) slipped 0.75%.
Across market-cap tiers, moves ranged from double-digit gains to steep single-day declines. The session included company-specific catalysts such as regulatory approvals, executive appointments, earnings results and project acquisitions that correlated with price action in affected stocks.