Why Is Seagate Technology $STX Stock Down -5.77% Today? (Find out why any stock moved today on Tickeron.) • Seagate Technology shares fell 5.77% to $835.93, down from a prior close of $887.09. • The decline followed reports that Seagate is locked in a bidding war with Toshiba over TDK Corp.'s hard-disk-drive (HDD) magnetic head unit. • The move extends a multi-day slide sparked by Toshiba's plan to nearly double HDD production capacity by fiscal 2027, threatening the industry's pricing power. • Peer pressure weighed on the sector, with storage rival Western Digital also trading lower. • Investors are weighing a stretched valuation after a roughly 200% year-to-date rally against fresh competition risks. $WDC $SNDK $SMCI $ANET $IONQ $RGTI $QBTS