ATLAS News · Technology

Seagate and Western Digital Rally as AI Stocks Rebound

Published November 9, 2026 · 4 sources

Seagate and Western Digital posted sharp gains in a broad-market rally, with Morgan Stanley citing strong fundamentals and weak sentiment, outlets report.

What happened

Seagate Technology (STX) and Western Digital (WDC) rose sharply during a broad-market rally and a rebound in AI-linked stocks, according to TIKR.com, Seeking Alpha, GuruFocus and Startup Fortune.

Seeking Alpha and TIKR.com put Seagate's advance at about 10%. GuruFocus says Western Digital gained nearly 10%, while Startup Fortune reports that both companies jumped 11%.

TIKR.com adds that Morgan Stanley describes the situation as one of strong fundamentals and weak sentiment. Startup Fortune notes that Micron lagged in the AI chip rebound.

Context

Seagate and Western Digital are major makers of data storage products, and their shares are often followed as part of the wider technology sector.

Why it matters

The moves show how closely the two storage companies are tied to investor sentiment toward AI-related stocks and the broader tech market.

Stocks in this story

Price changes are shown for the trading day of the story and are a coincidence in time, not proof that the news caused them. Figures are ATLAS data from our database.

Western DigitalWDC

+9.86%

Technology · NASDAQ

Live price

$289.78▲ +9.86%

live price · USD

Close on November 9: $289.78+9.86% vs. previous close ($263.78)
Fair value (ATLAS): $215.02Fair range: $177.26 to $287.25The price ($289.78) is 34.8% above that figure.
Chance of a rise in 1 month: 45%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $237.70 and $330.96; 9 in 10, between $177.25 and $443.81.

See the full ATLAS analysis of Western Digital →

Seagate TechnologySTX

+9.79%

Technology · NASDAQ

Live price

$506.14▲ +9.79%

live price · USD

Close on November 9: $506.14+9.79% vs. previous close ($460.99)
Fair value (ATLAS): $258.35Fair range: $176.92 to $282.04The price ($506.14) is 95.9% above that figure.
Chance of a rise in 1 month: 45%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $417.51 and $576.85; 9 in 10, between $313.48 and $768.28.

See the full ATLAS analysis of Seagate Technology →

Closing prices, fair value and probabilities: ATLAS own data. How we calculate fair value.

Sources

ATLAS writes its own summaries from the reporting of these outlets. Each link opens the original publisher.

Seagate Soars 10% in AI Rebound as Morgan Stanley Sees “Strong Fundamentals and Weak Sentiment” · TIKR.com · November 9, 2026
Seagate Technology advances 10% amid broad-market rally (STX:NASDAQ) · Seeking Alpha · November 9, 2026
Western Digital (WDC) Shares Surge Nearly 10% Amid Tech Sector R · GuruFocus · November 9, 2026
Seagate and Western Digital jump 11% as Micron lags in AI chip rebound · Startup Fortune · November 10, 2026

Latest market news · Markets today on ATLAS · Western Digital · Seagate Technology

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Information, not advice. This content is informational and is not an investment recommendation or an offer to buy or sell securities. ATLAS estimates come from statistical models using public data, can be wrong, and past performance does not guarantee future results. Disclaimer