Stocks across capitalization tiers showed meaningful volatility on Tuesday, with several large technology and storage-related companies among the heaviest decliners. The session featured both steep falls in mega-cap and large-cap names and substantial one-day gains in some small- and mid-cap issues.
Mega-cap movers
- SanDisk Corp-Exch (SNDK): -14.05%
- Micron Tech (MU): -12.75%
- Lam Research Corp (LRCX): -9.39%
- Arm (ARM): -9.59%
- Qualcomm Inc (QCOM): -9.19% (reported to be nearing a deal for AI chip startup Modular)
- Kla-tencor Corp (KLAC): -9.26%
- Marvell Technology Group Ltd (MRVL): -9.72%
- Texas Instru (TXN): -8.85%
- Analog Devices (ADI): -8.8%
- Western Digital (WDC): -8.76%
Large-cap movers
- Applied Opt (AAOI): -12.69% (ClassOne Technology received a record order from AAOI)
- Credo Technology Holding (CRDO): -11.36%
- ON Semiconductor (ON): -10.7%
- Tower Semiconductor (TSEM): -10.85%
- GS Acquisition A (VRT): -10.49%
- Sunbelt Rentals Holdings (SUNB): -9.56%
- Entegris Inc. (ENTG): -9.2%
- Nova Measuring In (NVMI): -9.3%
- Nanometrics Incor (ONTO): -9.94%
- DRAM (DRAM): +12.5%
Mid-cap movers
- SNXX (SNXX): -27.85%
- Amc Entertat Hld (AMC): -25.18% (AMC Entertainment said it will raise $200 million via a stock offering)
- MUU (MUU): -25.08%
- Primoris Services (PRIM): -23.4% (KeyBanc downgraded Primoris Services after a guidance cut)
- AXT Inc (AXTI): -16.19%
- Camtek Ltd (CAMT): -13.34%
- Fluence Energy (FLNC): -13.26% (Fluence launched a 10 MWh energy storage system expansion)
- Puyi ADR (MAAS): +31.44%
- Churchill Capital (INFQ): +12.65%
- Quantinuum (QNT): +13.34%
Small-cap movers
- Julong Holding Ltd (JLHL): -28.17%
- SNDU (SNDU): -28.15%
- AAOX (AAOX): -25.28%
- MULL (MULL): -25.48%
- MVLL (MVLL): -18.93%
- Bull Horns (ZSQR): -16.04%
- Monopar Therapeutics Inc (MNPR): +18.19%
- Backblaze (BLZE): +43.35% (Craig-Hallum upgraded Backblaze following a CoreWeave deal)
- Centricus Acquisition (ARQQ): +33.58%
The session was characterized by broad weakness among many large-cap technology and storage-related issuers, while selected smaller and mid-sized companies registered outsized intraday gains tied to company-specific news or analyst actions. The list above captures the reported percentage moves and the specific corporate developments cited alongside certain names.
What this means
Investors tracking technology, semiconductor, and data-storage sectors saw notable intraday pressure on headline names. At the same time, micro- and small-cap issues showed that company-specific events - such as offerings, upgrades, order announcements and product expansions - continued to produce substantial single-session moves in both directions.