On August 12, Coherent rose 3.07% in after-hours trading, trading at 338.5 USD/share, with turnover of $234 million.

On the news front, Coherent released its fourth-quarter fiscal earnings report after market close. Market consensus had expected quarterly revenue of approximately $19.86 billion, representing 31.65% year-over-year growth, with adjusted EPS of approximately $1.62, up 76.71% year-over-year. The data center and communications segment has emerged as the primary revenue driver, with last quarter's segment revenue growing 41% and segment profit rising 49% year-over-year, fueled by sustained AI computing demand driving platform product volumes.

Notably, the stock had plunged over 9% in the two trading days prior to the earnings release due to risk-off selling ahead of the report, as investors locked in gains amid uncertainty over 1.6T optical module orders and margin targets. The after-hours recovery reflects the market's positive reception of the actual results following that sharp pre-earnings pullback.

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