Thursday’s trading session produced pronounced volatility across market capitalizations, with multiple companies recording double-digit percentage moves on company-specific developments and sector momentum. The session saw storage and semiconductor stocks among the strongest performers, while certain software and biotech names posted declines tied to corporate headlines.
Mega-cap movers
- SanDisk Corp-Exch (SNDK) +10.31%
- Western Digital (WDC) +9.47%
- Marvell Technology Group Ltd (MRVL) +9.03%
- Intel Corp (INTC) +6.15%
- Applied Matls Inc (AMAT) +6.2%
- Kla-tencor Corp (KLAC) +6.46%
- Micron Tech (MU) +6.69%
- Lam Research Corp (LRCX) +5.31%
- Qualcomm Inc (QCOM) +4.76%
- IBM (IBM) -6.29%
Among the largest capitalization names, several memory- and equipment-related stocks posted strong advances, while IBM was a notable decliner for the session.
Large-cap activity and corporate headlines
- Accenture Ltd (ACN) -14.04% - Accenture to acquire majority stake in Dragos for $4.2 billion
- Cognizant Technology Solutio (CTSH) -6.29% - Cognizant integrates ServiceNow AI agents with Neuro platform
- Kroger Co (KR) -6.84%
- New Providence Acquisition Corp N (ASTS) -8.04%
- Wayfair Inc (W) +9.68% - Wayfair to open large-format store in Princeton, New Jersey
- FormFactor (FORM) +7.15%
- Roblox Corp (RBLX) +7.38%
- Allegro Microsystems Inc (ALGM) +8.3% - Allegro MicroSystems appoints Brian White to board
- Entegris Inc. (ENTG) +7.35%
- DRAM (DRAM) +9.08%
In the large-cap universe, acquisition news and strategic partnerships were among the drivers, alongside store expansion plans that supported retail-linked names.
Mid-cap movers
- SNXX (SNXX) +19.14%
- Vishay Intertechnology Inc (VSH) +12.6%
- Diodes Inc (DIOD) +11.29%
- Fermi America LLC (FRMI) +11.95%
- MUU (MUU) +13.56%
- Ekso Bionics Holding (CHRN) +9.9%
- Legend Biotech Corp (LEGN) -14.05% - Legend Biotech launches $225 million public share offering
- OM Asset Management PLC (AAMI) -10.64%
- Novocure Ltd (NVCR) -17.76% - Novocure’s glioblastoma trial fails primary endpoint
- CF Acquisition Corp VI (RUMBW) +14.5%
Mid-cap movement included several industrial and semiconductor suppliers as well as biotech names reacting to financing and clinical-trial outcomes.
Small-cap and other movers
- INTC +7.52%
- QCOM +5.29%
- AMAT +6.25%
- SNDK +10.67%
- LRCX +5.56%
- CTSH -6.41%
- KLAC +6.2%
- MRVL +11.74%
- ACN -14.68%
- KR -6.5%
- IBM -5.91%
- MU +7.99%
- WDC +8.62%
- ENTG +8.00%
- AOSL +12.79%
- DIOD +12.78%
- FORM +6.45%
- SWBI +20.47%
- VSH +11.69%
- CHRN +9.63%
- W +10.07%
- AAMI -9.82%
- NVCR -18.82%
- MULL -1.92%
- FVRR +12.47%
- REAL +10.54%
- LEGN -14.2%
- ASTS -7.54%
- BFLY +34.99%
- ALGM +9.19%
- RBLX +6.91%
- SLBT -13.9%
- INTW +14.22%
- FRMI +12.53%
- SNXX +20.31%
- DRAM +10.28%
The small-cap list repeats some larger names but also highlights outsized gains in specific micro- and small-cap issuers, including a strong jump for BFLY and elevated moves for trading- and device-oriented companies.
Selected company-specific notes
- Accenture’s planned majority stake purchase in Dragos is valued at $4.2 billion, a transaction that coincided with a steep decline for Accenture’s shares.
- Wayfair confirmed plans to open a large-format store in Princeton, New Jersey, and traded higher on the announcement.
- Legend Biotech began a $225 million public share offering, a development accompanied by a share-price decline.
- Novocure reported that its glioblastoma trial did not meet the primary endpoint, a result associated with a notable share drop.
- Longview Acquisition (BFLY) and Butterfly Network reported supply of ultrasound technology for a Midjourney scanner and BFLY shares surged.
- Smith & Wesson (SWBI) posted Q4 results and revenue that topped estimates and rallied sharply.
Traders and investors navigating the session encountered a mix of momentum-driven moves and reactions to corporate announcements, with activity concentrated in technology, semiconductors, storage, retail and biotech-related names.
Note on coverage - The lists above capture headline percentage moves and company-specific highlights reported during Thursday’s market session.