Teradyne Shares Plunge 13.8% in Two-Day Q3 Skid
TER•Teradyne shares tumbled 13.79% over a two-day skid to start third-quarter trading, leading semiconductor equipment stocks lower alongside KLA’s 13.73% slide and Lam Research’s 11.30% drop. The drop follows two consecutive sessions of declines in chip-equipment sector shares.
1. Two-Day Skid Details
Over July 1 and July 2, Teradyne shares fell by a combined 13.79%, marking one of the steepest two-day starts to third-quarter trading in recent years for the company. The consecutive-session selloff erased significant market value and highlighted heightened volatility at the sector open.
2. Peer and Sector Performance
Major chip-equipment peers also experienced double-digit losses over the same period, with KLA down 13.73% and Lam Research off 11.30%. Other key names saw declines ranging from 7.73% to 13.79%, underscoring broad weakness across the semiconductor equipment segment.




