Onto Innovation Inc. (ONTO) experienced a significant pre-market surge of 5.13% on Wednesday.

The stock's upward movement is attributed to a major strategic development and strong financial signals. Japan-based Rigaku Holdings announced a strategic capital and business alliance with Onto Innovation through a 27% equity investment. The two companies, having previously collaborated in hybrid metrology solutions, expect the new agreement to accelerate joint development projects, strengthening Onto Innovation's competitive positioning in the advanced semiconductor metrology market.

Further bolstering investor confidence, the company's preliminary first-quarter earnings results exceeded market consensus expectations, accompanied by an upward revision to its second-quarter guidance, indicating robust operational momentum. This positive outlook has prompted several Wall Street investment banks to raise their target prices for the stock, with B. Riley notably increasing its target from $275 to $310 while maintaining a Buy rating.