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Seagate and Western Digital shares drop on Toshiba's AI storage expansion plans

Market News
02 Oct 2026
Proactive Investors
View Source
Bearish
Seagate and Western Digital shares drop on Toshiba's AI storage expansion plans

Shares of Seagate and Western Digital fell sharply after news that Toshiba plans to invest $400 million to double its hard disk drive production by 2027, targeting AI data-center storage demand. Toshiba currently holds just over 10% of the HDD market and aims to increase its share to 30%, intensifying competition in a market dominated by these three companies. This move could pressure Seagate and Western Digital's market shares and pricing, potentially leading to profit-taking after their strong gains this year.

Seagate shares dropped 11.28% to USD 838.92 on Pluang as of Oct 03, 2026 00:51 WIB, reflecting investor reaction to increased competition. Western Digital also fell 10.93% to USD 412.00 at the same time. Despite the sell-off, 81% of Pluang users remain buyers of both stocks, showing sustained interest in the sector.

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