Teradyne, a supplier of automated test solutions, agreed to acquire a 10% stake in Technoprobe, a company specializing in the design and production of probe cards, for $516m. "We're excited to work with Technoprobe as the unique advantages of their interface technology help unlock the superior scalability of our testers to deliver greater benefit for our customers. Technoprobe has great products and has made important investments to align with the trends that are driving the market. Our equity investment and joint development projects reflect our confidence in Technoprobe to create value for our shareholders and customers through innovative interface solutions for the growing interface market," Greg Smith, Teradyne CEO.