Why did Seagate Technology Holdings rise on 5 October?
Written after the close on
Seagate Technology Holdings +4.49%
Seagate fell slightly in the latest session, likely on worries about a rival's disk-drive capacity expansion. Over the last five trading days Seagate slipped slightly, while the broad market and the technology sector both rose clearly, so it lagged both. The weekly softness looks partly tied to that Toshiba capacity-expansion concern and to a mixed showing among storage peers. The longer story behind the stock is artificial intelligence: cloud providers building data centers need far more storage than Seagate can supply, a shortage that has driven its run over the past year. Watch the late-October earnings report, the next scheduled test of that demand story.
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Seagate fell very sharply. Seagate Technology Holdings plc (STX on Nasdaq) fell clearly over the last five trading days, and the sharpest drop came in the latest session, when it slid hard while the broad market and the technology sector both rose — so the weakness was its own. The trigger was a plan by Toshiba, the number-three maker in an industry with only three, to roughly double its hard-disk-drive output for AI data centers at its Philippines plant within its fiscal 2027, which raised fears of looser supply and weaker pricing in the high-capacity "nearline" drives (big, cheap disks that cloud providers use to store massive data volumes) that have powered Seagate's results. Several brokerages pushed back, arguing the drop looks overdone because Toshiba does not make its own media and heads and the supply gap through 2028 still looks wide, but the shares stayed down. Watch the late-October earnings report, where the market will weigh whether AI storage demand and pricing still hold up.
Seagate steady as chip rally offsets ex-dividend drag. Over the past week Seagate was broadly flat, holding up while the broad market slipped a little and its own sector barely moved, so the stock was steadier than the wider tape. The most likely support came from a chip-sector rally after Micron's strong quarterly earnings, which lifted storage names including Seagate, and from continued investor interest in its HAMR-based Mozaic drives — hard drives that pack more data per disk for AI data centres — even as rival Sandisk pushes ahead with its own enterprise flash products. Watch the late-October earnings report for how demand for those AI-oriented drives is actually trending.