Equity markets on Thursday featured pronounced swings across market-cap segments, driven by company-specific headlines and earnings-related developments. Several large technology and networking-related companies were among the heaviest decliners, while a handful of mid- and small-cap names posted notable gains.
Mega-Cap Movers (Market Cap: $200 billion USD or higher)
- Avago Technologies (AVGO) -15.31% - Macquarie downgrades Broadcom stock rating on Google insourcing shift
- Arm (ARM) -7.5%
- Micron Tech (MU) -6.91%
- Arista Networks (ANET) -7.87%
- Adv Micro Device (AMD) -4.87%
- Marvell Technology Group Ltd (MRVL) -3.22%
- United Health Group (UNH) +6.02%
- Qualcomm Inc (QCOM) -3.41%
- Lam Research Corp (LRCX) -3.41%
- Western Digital (WDC) -1.93%
Large-Cap Stock Movers (Market Cap: $10-$200 billion USD)
- Ciena (CIEN) -19.09%
- Five Below Inc (FIVE) -13.59% - Five Below stock slides 8% despite strong Q1 results, guidance
- Fabrinet (FN) -9.63%
- Iris Energy (IREN) -7.21%
- DRAM (DRAM) -6.76%
- GS Acquisition A (VRT) -6.06%
- Corning Inc (GLW) -5.43%
- Lumentum Holdings Inc (LITE) -5.67%
- Jds Uniphase Corp (VIAV) -4.08% - VIAVI launches AI-powered tools for wireless testing
- Rambus Inc (RMBS) -4.8%
Mid-Cap Stock Movers (Market Cap: $2-$10 billion USD)
- Pvh (PVH) -24.35%
- Netskope Inc (NTSK) -15.85% - Netskope tumbles 22% despite Q1 beat on weak FCF, CFO transition
- MUU (MUU) -14.6%
- Willow Lane Acquisition (BRUN) -9.84%
- POET Tech NAQ (POET) -9.11%
- Redwire (RDW) +15.74% - Redwire to grow strawberries on ISS in greenhouse debut
- Oscar Health (OSCR) +13.22% - Wells Fargo upgrades Oscar Health stock rating on exchange market trajectory
- Manchester United Plc-EXCH (MANU) +10.33%
- CF Acquisition Corp VI (RUMBW) +2.06%
Small-Cap Stock Movers (Market Cap: $300 million - $2 billion USD)
- Adc Therapeutics SA (ADCT) -50.19% - ADC Therapeutics reports positive phase 3 trial results
- Pet Acquisition LLC (WOOF) -16.23% - Petco shares plunge 11% on surprise Q1 loss despite revenue beat
- MULL (MULL) -14.31%
- Julong Holding Ltd (JLHL) -13.47%
- LITX (LITX) -11.77%
- AMDL (AMDL) -10.21%
- MVLL (MVLL) -7.12%
- Generate Biomedicines Inc (GENB) +13.48%
- Absci (ABSI) +20.45%
- Foley Trasimene Acquisition (ALIT) +10.36% - Alight names Stephen Lasher as chief financial officer
Additional intraday percentage snapshots appearing in trading summaries included: VIAV -4.35%, CIEN -20.15%, AVGO -14.73%, FIVE -13.8%, ADCT -52.11%, ALIT +12.73%, WOOF -16.56%, OSCR +14.00%, RDW +18.96%, and NTSK -14.96%.
The session highlighted a broad pullback among semiconductor and networking-equipment providers, with selective strength in certain biotech and specialty small-cap names. Market participants tracked company-specific catalysts - from analyst downgrades and insourcing concerns to earnings beats paired with liquidity or guidance questions - as drivers of the moves.