FormFactor is trading 4.18% down at $114.71, mainly amid sector pressure after hotter-than-expected U.S. inflation revived rate-hike concerns. - After a sharp October 14 close, Reuters reported semiconductor stocks’ sixth consecutive day of losses and technology weakness spreading across Asian markets on October 15. - FormFactor’s October 12 Teradyne collaboration and planned $300 million investment do not explain the current drop. - Evidence points mainly to sector and macro pressure, not a newly identified company-specific catalyst.