Teradyne is trading 4% up now at $396.87 after announcing a multi-year partnership with GS Microelectronics U.S. on September 22, 2026.
- The agreement will establish a 42,000-square-foot Silicon Valley semiconductor test and evaluation center equipped with Teradyne systems, opening in the fourth quarter.
- The facility targets AI, silicon photonics, automotive, power-management, and RF applications.
- Broader semiconductor strength is providing additional support.