Teradyne is trading 7.06% higher at $228.22, with the move appearing tied to a semiconductor-sector rebound after the technology-led rout. - The shares are recovering after a 15.24% decline on November 5. - The prior sell-off followed concerns about tighter AI regulation and pressure on technology shares; Reuters reported chip stocks gaining ground after the rout. - No new Teradyne-specific announcement explaining the November 6 move was identified.