On August 7, Onto Innovation Inc. rose 11.65% overnight, trading at $300.0/share, with turnover of $19,000. The surge followed a strong Q2 earnings report released after the prior session's close, which significantly exceeded market expectations on all key metrics.

The company reported Q2 adjusted earnings of $1.93 per share, beating the consensus estimate of $1.68 by approximately 14.9% and representing a 54.4% year-over-year increase from $1.25. Revenue came in at $343.1 million, surpassing the $325.2 million estimate by 5.5% and rising 35.3% from $253.6 million a year earlier. More notably, Q3 guidance was well above expectations, with adjusted EPS projected at $2.18 to $2.38 versus the FactSet estimate of $1.93, and revenue guided to $380 million to $400 million versus the $350.6 million consensus.

The stock had declined over 5% during the prior regular session amid pre-earnings positioning and broader semiconductor equipment sector weakness. The overnight rebound fully recovered those losses, supported by Morgan Stanley's prior Overweight rating with a $371 price target.

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