ONTO is trading approximately 7% down near $320 as investors rotate out of semiconductor and AI-related names following a sharp multi-day run-up.
- The stock is underperforming a weak tech tape amid a broader sector-wide selloff.
- No company-specific news or guidance changes have been reported for Onto Innovation to account for the move.
- The decline appears driven by profit-taking and a shift in market sentiment regarding high-valuation chip stocks.