On May 27, FormFactor fell 5.04% in regular trading, trading at $129.75/share, with trading volume of $69.74 million, reversing the technical rebound trajectory that had been in place since May 20.

On the sector front, the Semiconductor Equipment industry saw broad-based selling pressure today, with Lam Research down 2.16%, ASML down 2.61%, Applied Materials down 2.47%, KLA-Tencor down 2.56%, and Teradyne down 4.48%, creating a challenging market environment for FormFactor. The stock had previously rallied on the back of strong Q1 results — revenue of $230 million, gross margin expanding 5.1 percentage points sequentially to 49.0%, and raised Q2 guidance with CPO-related revenue trending toward the high end of its $10-20 million target range. After initial post-earnings gains, the stock experienced sustained profit-taking through May 12, followed by a multi-day technical rebound. Today's decline suggests renewed selling pressure amid sector-wide weakness.

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