Micron Jumps 4%, SanDisk Gains 3% as AI Tailwinds Drive Memory Sector Higher

Micron Technology (MU) shares advanced on AI infrastructure demand as the company’s Q2 FY2026 guidance projects $18.70B revenue and $8.42 EPS.
SanDisk (SNDK) stock also posted gains with the company’s Q2 revenue up 61.3% YoY and the data-center segment growing 76% year over year.
Both memory chipmakers benefit from structural AI-driven shortage as high-bandwidth memory orders stretch into 2027.
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Micron Technology (NASDAQ:MU) stock is up 4% in midday trading on Monday while shares of SanDisk (NASDAQ:SNDK) climb 3%. Both memory chipmakers are riding a wave of renewed enthusiasm around AI infrastructure spending.

What’s driving these gains? The AI buildout continues to generate enormous appetite for memory chips, and hyperscalers are accelerating procurement timelines in ways that are reshaping the entire memory market. It’s the accumulation of fundamentally strong data, positive sector sentiment, and a broader tech rally all arriving at once.

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Micron’s most recent quarterly results tell a compelling story. Revenue came in at $13.64 billion, up 56.6% year over year, with non-GAAP EPS of $4.78 beating the $3.94 estimate. The Cloud Memory segment alone generated $5.28 billion in revenue at 66% gross margins, which is the kind of profitability that gets institutional attention fast.

Forward guidance is where the numbers get striking. Micron’s Q2 FY2026 guidance calls for revenue of $18.70 billion and non-GAAP EPS of $8.42. CEO Sanjay Mehrotra asserted, “Our Q2 outlook reflects substantial records across revenue, gross margin, EPS and free cash flow.” High-bandwidth memory demand is already stretching order books into 2027, which signals a structural shortage, not a cyclical blip.

SanDisk’s numbers are equally noteworthy. The company reported Q2 FY2026 revenue of $3.025 billion, up 61.3% year over year, with non-GAAP EPS of $6.20 crushing the $3.54 estimate. Its Datacenter segment grew 76% year over year to $440 million. CEO David Goeckeler cited “accelerating enterprise SSD deployments” and the “critical role that our products play in powering AI.”

Earlier this month, both stocks faced selling pressure after Alphabet‘s (NASDAQ:GOOGL) Google unveiled a new AI efficiency algorithm called TurboQuant, with investors worried that more efficient AI could reduce memory demand. On the other hand, when technology becomes more efficient, adoption accelerates so rapidly that total demand can actually rise. This framing appears to be gaining traction with investors today.

The sentiment data backs this up. SanDisk carries a composite sentiment score of 71.22, firmly in bullish territory, with a 30-day change of +8.95 points. Micron Technology’s composite score sits at 42.76, more neutral, though its news sentiment component registers at 57.51 across 50 articles, suggesting institutional and media coverage remains constructive.

Both stocks were already on strong runs before Monday’s session opened. Micron shares are up 33% year-to-date, and SanDisk stock has gained an astounding 204%. That’s a structural repricing of what memory is worth in an AI-first world.

The memory supercycle could still has room to run even after these share-price rallies. Granted, competitive pressure from SK Hynix remains a real factor for Micron to navigate, particularly in the HBM segment where SK Hynix currently holds a strong position. That’s a risk worth watching, even on a strong day like this.

SanDisk’s Q3 FY2026 guidance projects revenue of $4.4 billion to $4.8 billion and non-GAAP EPS of $12 to $14, with gross margins of 65% to 67%. No matter how you slice it, the financial trajectory for both companies points in the same direction.

Watch for whether today’s gains in MU and SNDK hold into the close. Looking further out, keep an eye on any updates from hyperscaler earnings calls in the weeks ahead, where memory procurement commentary could be the next major catalyst for this sector.

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