Today: 27 February 2026
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NASDAQ:WDC 3 February 2026 - 26 February 2026

Sandisk stock price jumps in premarket as AI-memory headlines collide with Citron short call

Sandisk stock price jumps in premarket as AI-memory headlines collide with Citron short call

Sandisk shares rose about 5% in premarket trading Thursday after announcing a consortium with SK hynix to standardize High Bandwidth Flash for AI systems. The move follows a 5% drop Tuesday after Citron’s Andrew Left disclosed a short position, arguing the stock is overvalued. Sandisk closed Wednesday at $632.38, down 0.96%.
26 February 2026
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Sandisk stock price steadies near $640 after Citron short call as Nvidia, CEO remarks loom

Sandisk stock price steadies near $640 after Citron short call as Nvidia, CEO remarks loom

Sandisk shares closed up 0.3% at $640.51 on Wednesday after a 4.2% drop Tuesday following a Citron Research short call. CFO Luis Felipe Visoso sold 1,594 shares for tax withholding tied to vesting, according to a new Form 4. Investors are awaiting Sandisk’s remarks at the Bernstein forum and Nvidia’s earnings after the U.S. close. Western Digital recently moved to sell part of its Sandisk stake.
25 February 2026
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Western Digital (WDC) stock price drops 3.5% despite debt payoff filing and S&P upgrade

Western Digital (WDC) stock price drops 3.5% despite debt payoff filing and S&P upgrade

Western Digital shares closed down 3.5% at $270.57 Tuesday, then rose 0.1% after hours. The company eliminated its Series A preferred stock and redeemed senior notes due 2029 and 2032, according to an SEC filing. S&P Global Ratings raised its credit rating to investment grade after the debt reduction. CEO Irving Tan and chief legal officer Cynthia Tregillis reported insider share transactions.
25 February 2026
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Sandisk stock jumps as Western Digital unloads shares — what traders are watching next

Sandisk stock jumps as Western Digital unloads shares — what traders are watching next

Sandisk shares rose 3.3% to $641.87 Friday after Western Digital raised $3.17 billion by selling part of its Sandisk stake at $545 per share. The sale, tied to debt reduction, increased trading volatility and shifted focus to whether Western Digital will offload its remaining 1.7 million shares. Sandisk does not receive proceeds from the offering. Western Digital shares also gained 3.3%.
20 February 2026
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SanDisk stock price steadies near $627 after a wild Friday — what to watch next week

SanDisk stock price steadies near $627 after a wild Friday — what to watch next week

Sandisk shares closed Friday down 0.5% at $626.56 after a volatile session, swinging between $587.10 and $661.15. U.S. markets close Monday for Presidents Day, with trading set to resume Tuesday. Storage stocks, including Western Digital and Seagate, also slipped into the weekend. Investors remain focused on Sandisk’s AI-driven outlook and recent earnings guidance.
15 February 2026
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Western Digital stock price slides 7% as WDC leads Nasdaq decliners — what traders watch next

Western Digital stock price slides 7% as WDC leads Nasdaq decliners — what traders watch next

Western Digital shares fell 7.5% to $264.50 in late morning trading Tuesday after a new SEC filing showed the company moved to redeem its 2026 senior notes. The stock underperformed storage peers as U.S. retail sales data and sector downgrades pressured tech names. Seagate and Micron also declined. Western Digital remains up about 57% year to date despite the drop.
10 February 2026
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Seagate stock price jumps 5% as Citi lifts target; STX steadies after a choppy week

Seagate stock price jumps 5% as Citi lifts target; STX steadies after a choppy week

Seagate shares jumped nearly 5% to $425.61 midday Friday after Citigroup raised its price target to $480, maintaining a buy rating. The stock swung between $400.52 and $428.90 during the session, rebounding from a 3% drop Thursday. Other storage stocks, including Western Digital and Pure Storage, also rose. Trading volume in Seagate exceeded its 50-day average.
6 February 2026
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Western Digital stock sinks after buyback bump as traders reassess WDC’s AI storage run

Western Digital stock sinks after buyback bump as traders reassess WDC’s AI storage run

Western Digital shares fell 7.2% to $269.41 in after-hours trading Wednesday, erasing gains from a buyback-fueled rally. The drop followed the company’s announcement of a $4 billion share repurchase and a new hard-drive roadmap aimed at hyperscale AI data centers. Seagate also declined, while NetApp rose. Investors remain focused on buyback execution and competition in storage hardware.
5 February 2026
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Western Digital stock jumps after $4 billion buyback boost and 100TB drive roadmap

Western Digital stock jumps after $4 billion buyback boost and 100TB drive roadmap

Western Digital shares rose 7.4% to $290.24 in after-hours trading Tuesday after the board approved an extra $4.0 billion for share buybacks, effective immediately. The company also unveiled a multi-year hard-drive roadmap targeting AI data centers, including a 40TB UltraSMR drive in qualification with hyperscale clients and plans for 60TB ePMR and 100TB HAMR drives by 2029.
4 February 2026
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SanDisk stock jumps as AI memory shortage fuels a bold Q3 forecast

SanDisk stock jumps as AI memory shortage fuels a bold Q3 forecast

SanDisk forecast third-quarter revenue of $4.4–$4.8 billion and non-GAAP EPS of $12–$14, sending shares up over 9% after hours. The company posted $3.025 billion revenue and $803 million net profit for Q2, reversing a prior loss. SanDisk extended its Kioxia joint venture to 2034 and committed $1.165 billion to manufacturing services. Memory chip prices are surging amid an “unprecedented” shortage, driven by AI data center demand.
3 February 2026
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Palantir stock price jumps as AI stocks swing — Nvidia slips ahead of AMD earnings

Palantir stock price jumps as AI stocks swing — Nvidia slips ahead of AMD earnings

Palantir shares jumped 5.1% to $155.30 by 10 a.m. ET after reporting a 66% surge in U.S. government revenue. Teradyne rose 7.5% on strong AI-driven forecasts, while Western Digital gained 1.4% after expanding its share buyback. Nvidia, AMD, and Microsoft slipped, while Alphabet edged up.
3 February 2026
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Seagate stock jumps after-hours as “memory supercycle” talk lifts storage names

Seagate stock jumps after-hours as “memory supercycle” talk lifts storage names

Seagate shares closed up 4.8% at $427.33 and rose another 6.2% after hours, while Western Digital, Micron, and Sandisk also posted strong gains. The rally followed warnings of an “unprecedented” memory-chip shortage and rising prices. Traders are focused on Western Digital’s Innovation Day in New York on Tuesday for further signals on demand. Seagate director Jay L. Geldmacher sold 925 shares last week, according to a regulatory filing.
3 February 2026
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