Western Digital Stock Drops Tuesday: Here's Why

Seagate Technology Holdings (STX) Stock Is Trending After Hours: Here's Why

Seagate Technology shares edged 0.30% higher after hours as investors weighed Toshiba’s planned HDD capacity expansion and supply concerns.

Stock Market Midday, Oct. 6: S&P 500 Sets New High, Nuclear Stocks Surge

The S&P 500 reached new all-time highs on October 6, 2026, climbing 0.85% to 7,840 as falling oil prices eased inflation concerns. Nuclear stocks surged following a Constellation Energy deal with Google, while semiconductor stocks like Marvell Technology jumped over 7% on strong investor day guidance. Memory stocks declined amid reports of Toshiba's market expansion plans.

S&P 500, Nasdaq Hit Records, Power Stocks Rally on Google's Nuclear Deal: Stock Market Today

S&P 500 and Nasdaq 100 hit records as the 10-year yield retreats from a 24-year high; Constellation Energy jumps on a Google nuclear deal.

Reported Earlier, 'Seagate Said to Vie With Toshiba for TDK’s Hard-Drive Magnetic Heads Unit' - Bloomberg

https://www.bloomberg.com/news/articles/2026-10-06/seagate-is-said-to-battle-toshiba-for-tdk-s-hard-drive-head-unit

Reported October 1, 'Toshiba to double hard disk drive supply to fill AI chip memory gap; Japan tech group will expand Philippine plant, raise per-unit storage capacity' - Nikkei

Seagate vs. Western Digital vs. Toshiba: The AI Storage War Is Getting Serious

Seagate, Western Digital and Toshiba are battling for AI storage demand as HDD capacity, technology and supply-chain control become critical.