Acm Research is trading at $54.39, up 4.66%, amid semiconductor-sector strength; no company-specific catalyst was verified.
- Overnight, the Nasdaq Composite rose 1.18% and the Philadelphia Semiconductor Index jumped 3.6%; record SK hynix results boosted AI-chip optimism.
- Preliminary nine-month results were scheduled for release before the U.S. market open on October 28.
- Volume data was unavailable.