Micron Is Back Above $800 After Its Best Day Since July

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Micron Technology (NASDAQ:MU) closed at $811.30 on Wednesday, November 11, 2026, up $86.19, or 11.89%, after trading between $763.05 and $827.58. It was the stock’s biggest one-day gain since July 30, when it rose 18.36%, and its first close above $800 since November 3, when it finished at $855.10.

The rebound came one week after one of Micron’s worst sessions. The stock closed at $795.23 on November 4, fell 17.46% to $656.39 on November 5 during the AI and chip selloff, and recovered to $725.11 on November 10.

The November 11 close sits about 23.6% above that low but about 33% below the record close of $1,213.56 from June 25. For investors, the key question is whether the business supports that recovery.

What Moved Memory Stocks on November 11

Market coverage linked the rally to the third-quarter report CoreWeave (NASDAQ:CRWV) released on November 10, which eased fears about AI computing demand. That is how traders read the session. No company announced a new Micron order.

On the call, CoreWeave’s chief executive, Mike Intrator, said “We are largely sold out through 2027” and that pricing “has continued to move higher in Q4, more than offsetting cost increases.” Sold-out GPU clouds keep ordering servers. Every AI server needs high-bandwidth memory (stacked DRAM chips placed beside the processor) and fast storage, and Micron sells both.

Sandisk (NASDAQ:SNDK) closed up $117.70, or 13.69%, at $977.69, a $139.11 billion market value. It remains far below its 52-week high of $2,354.39, which shows the memory group moved together and is still well off its peaks.

Micron Topped JPMorgan at the Close

Micron finished worth $917.92 billion, above the $911.91 billion value of JPMorgan Chase (NYSE:JPM), which closed at $343.39, up 0.39%. A memory maker valued above the largest US bank tells you how much future AI spending is already built into Micron’s price.

The lead held only at the close. After hours, Micron would be worth about $892.6 billion, below JPMorgan’s closing value.

Why $800 Remains Unsettled

At 7:59 p.m. ET, Micron traded at $788.93, down 2.76%, while SanDisk was at $951.98, down 2.63%. After-hours trading is thin, and prices can shift before the November 12 open.

Keep the CoreWeave signal in proportion as well. Intrator sells computing capacity, so strong demand talk helps his company, and the call named no memory supplier. Micron is up 184.48% year to date yet down 17.96% over the past month, with a 52-week range of $192.59 to $1,255.00.

What Micron’s Guidance Signals Before Its Next Report

On September 30, Micron guided fiscal first-quarter 2027 revenue to $61.5 billion, plus or minus $1.5 billion, with non-GAAP gross margin of about 86.25% and non-GAAP EPS of $38.15, plus or minus $1.00. Revenue for all of fiscal 2026 was $133.19 billion, so a single quarter’s guidance now accounts for a large share of a full year’s sales. Memory is cyclical, though, and margins this high tend to draw new supply that eventually pushes prices down.

Sold-out AI capacity and that guidance likely outweigh the cycle risk for now, although the stock has shown it can fall 17.46% in a single day. Micron also has broader exposure than SanDisk because it supplies both high-bandwidth DRAM and storage, which is part of why memory keeps showing up alongside the picks and shovels in our free report on seven AI infrastructure suppliers that aren’t chipmakers.

Micron’s next report is estimated for December 16, 2026, a date the company has not confirmed. If revenue comes in below the low end of the guided range, or the margin outlook drops, the bullish case for the rebound weakens.

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