🟢 Onto Innovation is trading 4.7% up in pre-market amid broader semiconductor strength

Onto Innovation is trading 4.7% up at $264.26 now in pre-market, with the gain appearing consistent with broader semiconductor strength.

• No clear company-specific announcement was identified for September 4, 2026.
• The previously reported fiduciary-duty investigation is negative in nature and does not explain this same-direction move.
• The Philadelphia Semiconductor Index rose 0.5%; NVIDIA, Broadcom, Intel, and AMD were higher in pre-market trading.