US markets witnessed intense trading activity on May 26, 2026, with semiconductor and leveraged ETF counters dominating both share volume and dollar turnover charts amid heightened volatility.
Most Active by Dollar Volume
Technology heavyweights led institutional flows and trading activity:
- MU surged 19.29% to $895.88, emerging as the most actively traded stock by dollar volume
- NVIDIA Corporation traded at $214.86 with marginal weakness
- SPY gained 0.65% to $750.56
- QQQ advanced 1.77% to $730.28
- Advanced Micro Devices jumped 7.78% to $503.89
The strong momentum in semiconductor names reflects continued investor optimism around AI infrastructure demand and high-performance computing themes.
Most Active by Share Volume
Leveraged ETFs and small-cap speculative counters dominated retail-driven trading:
- SOXS recorded over 390 million shares in volume despite declining
- Outlook Therapeutics saw massive participation with over 341 million shares traded
- Linkage Global Inc. rallied sharply on heavy volumes
- Nocera, Inc. remained actively traded among penny stocks
- TZA also featured prominently amid broader market volatility
Top Momentum Movers
Among notable gainers:
- Momentus Inc. surged 200%
- VCI Global Limited jumped over 118%
- Axiom Intelligence Acquisition Corp gained more than 116%
On the losing side:
- Mountain Lake Acquisition Corp fell sharply
- CEA Industries Inc. and Aditxt Inc. also witnessed heavy selling pressure
The session reflected elevated speculative activity alongside strong institutional positioning in AI-linked semiconductor counters.