Onto Innovation is trading 4% down at $308.48 in pre-market, pulling back after a sharp multi-day rally driven by AI and High Bandwidth Memory (HBM) demand.
- The stock recently surged on enthusiasm surrounding its role in inspection and metrology for advanced packaging within the AI hardware ecosystem.
- Today's move appears to be a technical pullback and profit-taking amid slightly weaker tech futures rather than a new company-specific headline.