KLA Corp (KLAC 176.40, -14.40, -7.6%) beat EPS expectations by $0.05, beat revenue expectations, guided Q1 EPS in-line and guided Q1 revenues in-line.
Seagate Tech (STX 782.20, +34.90, +4.7%) beat EPS expectations by $0.61 and beat on revenues while guiding Q1 EPS above consensus and revenues above consensus.
Teradyne (TER 348.07, +27.42, +8.6%) beat EPS by $0.38, beat revenue expectations, and guided Q3 EPS and revenues about consensus.