Semiconductor Test Equipment Stocks Surge 5% on Nasdaq Rally

FormFactor Inc. (NASDAQ: FORM), a Nasdaq‐listed semiconductor test equipment company, closed at $144.80 on April 20 in U.S. trading, up 5.53%. Volume was about 1.19 million shares—well above its average—and market capitalization jumped by roughly $660 million in a single day to around $11.2 billion.

The stock’s momentum follows the company’s early‐February report of record quarterly and annual revenues for Q4 2025 and its release of 2026 guidance focused on high-bandwidth memory (HBM). (investors.formfactor.com) With its Q1 2026 earnings due on April 29 and its annual shareholder meeting set for May 15, FormFactor has scheduled an Investor Day and announced board changes, among other shareholder events. (globenewswire.com)

Headquartered in Livermore, California, FormFactor supplies wafer probe cards, probe stations, and thermal and cryogenic test systems to global foundries and fabless semiconductor firms. (globenewswire.com) It has been expanding its market share in probe cards for high-performance memories such as HBM and DDR5, positioning it as a beneficiary of growing AI data center investment—though its share price may see volatility in line with industry trends. (ainvest.com)