Wednesday's trading session produced pronounced swings across market-cap segments, from mega-cap technology names to small-cap biotech and SPAC issues. Semiconductor equipment and storage companies registered some of the largest advances, while a handful of consumer and media names moved lower.
Mega-cap movers ($200 billion USD or higher)
- Western Digital (WDC) +6.47%
- Lam Research (LRCX) +6.65%
- Avago Technologies (AVGO) +5.43%
- Seagate Technology (STX) +4.5%
- Kla-tencor (KLAC) +4.45%
- Qualcomm (QCOM) +1.95%
- United Tech (RTX) +1.79%
- SpaceX (SPCX) -2.06%
- Facebook (META) -2.45%
Large-cap stock movers ($10-$200 billion USD)
- Forgent Power Solutions (FPS) +7.75%
- Credicorp (BAP) +7.16% - Morgan Stanley upgrades Credicorp stock rating on Peru growth outlook
- Credo Technology Holding (CRDO) +6.19%
- Coupang (CPNG) +5.85%
- Cerebras Systems (CBRS) +5.3%
- Jabil Circuit (JBL) +4.69%
- Amkor Technology (AMKR) +5.52%
- Wayfair (W) +6.18%
- Entegris (ENTG) +6.23%
- Carvana (CVNA) -6.01%
Mid-cap stock movers ($2-$10 billion USD)
- Chenghe Acquisition II (PLBL) +18.25%
- ACM Research (ACMR) +10.84%
- Aehr Test Systems (AEHR) +10.56% - Aehr Test Systems receives order for wafer-level burn-in system
- Ultragenyx (RARE) +7.36%
- Ptc Therapeutics (PTCT) +7.74%
- B Riley Principal Merger II (EOSE) +9.91% - Eos Energy secures 750 MWh supply deal in Germany
- Intellia Therapeutics (NTLA) +11.55%
- Puyi ADR (MAAS) +10.14%
- Fermi America (FRMI) +8.06%
- RadNet (RDNT) -8.09%
Small-cap stock movers ($300 million - $2 billion USD)
- Uniqure (QURE) +72.84% - uniQure gets FDA nod for AMT-130 accelerated approval pathway
- Julong Holding (JLHL) +42.67%
- Braiin (BRAI) +36.45% - Braiin partners with BillCentral to deploy AI call center platform
- Mri Interventions (CLPT) +34.18%
- Horizon Quantum Holdings (HQ) +27.06%
- La-Z-Boy (LZB) +14.99% - La-Z-Boy soars 12% on Q4 earnings beat and margin strength
- TKB Critical Tech 1 (SHAZ) +15.36% - SharonAI raises $1.6B to fund Nvidia GPU deployment in Australia
- Centricus Acquisition (ARQQ) +15.2%
- Wabash National (WNC) +20.69%
- Horizon Space Acquisition II (SLBT) -29.73%
Additional intraday quotes showed gains across a number of semiconductor-related names and industrials, while select retailers, consumer finance and media companies registered downturns during the session.
What to watch
The session was defined by a combination of headline-driven moves - including analyst upgrades, regulatory milestones and contract awards - and broad sector momentum in areas such as semiconductor equipment and data storage. The largest percentage advances were concentrated among small-cap biotech and specialist technology issues, while a small set of SPACs and consumer-facing stocks posted notable declines.
Data note
This piece aggregates intraday price moves and company-specific notes disclosed during the trading session. It presents the relative winners and losers by market-cap groupings for the day.