Micron (MU) Stock Surges 10% as $700B Market Cap Falls for the First Time

TLDR

• Micron stock jumped ~10% to around $635, pushing its market cap above $700 billion for the first time.
• An IDC report suggests AI demand could break the memory chip market’s historical cyclical patterns.
• CEO Sanjay Mehrotra said Micron can only meet 50%–66% of key customer demand in the medium term.
• DA Davidson launched coverage with a Buy and a $1,000 price target — the highest on Wall Street.
• Year-to-date, MU stock has rallied 125%, adding nearly $395 billion in market cap.

Micron Technology (MU) crossed a milestone on Tuesday, with its market cap pushing above $700 billion for the first time. The stock gained around 10%, trading at roughly $635, according to Dow Jones Market Data.

Micron Technology, Inc., MU

The move puts Micron in rare company. It has added $132.8 billion in market cap over just three trading sessions. Year to date, the stock is up 125%, adding around $395 billion in market cap in 2026 alone.

Over the past 12 months, Micron has gained 690%.

The day’s catalyst was a mix of analyst upgrades, a new product launch, and a broader conversation about whether AI has permanently changed the memory chip business.

DA Davidson started coverage on MU with a Buy rating and a $1,000 price target — the highest on Wall Street. Melius Research also initiated with a Buy and a $700 target, citing AI demand for high-bandwidth memory, DRAM, and NAND. TD Cowen lifted its target to $660 from $550.

Supply Can’t Keep Up With Demand

CEO Sanjay Mehrotra was direct about the supply picture. He said Micron can currently fulfill only 50% to two-thirds of key customer demand in the medium term. Data center memory is set to exceed 50% of the total addressable market for the first time in 2026.

Major tech spenders are confirming the pressure. Meta’s CFO pointed to higher component pricing as the main driver behind its raised 2026 capital expenditure. Microsoft quantified $25 billion in impact from higher component costs. Amazon’s CEO said memory costs had “skyrocketed.”

Micron also launched a new product Tuesday — the 245TB Micron 6600 ION SSD, aimed at AI, cloud, and hyperscale workloads. The company says the drive requires 82% fewer racks compared to HDD-based setups.

Goldman Sachs noted that Micron alone accounts for 51% of all S&P 500 EPS revisions since the start of the recent Middle East conflict — a figure that shows how central MU has become to the current earnings cycle.

Memory Stocks Broadly on the Move

Micron isn’t the only memory name running. Western Digital is up 176% year to date. Seagate has gained 185%. SanDisk has surged 477%.

Bernstein set a $1,750 price target on SanDisk. Fox Advisors raised its SanDisk target to $1,500. Both moves point to rising NAND and DRAM pricing across the sector.

An IDC report out this week suggested that AI demand could break the memory chip market’s long-standing cyclical patterns — a key concern for investors who have historically treated memory stocks as boom-and-bust plays.

Of 50 analysts polled by FactSet, Micron holds an average Buy rating with a consensus price target of $583.83 — now well below where the stock is trading.

April saw MU gain 53%. May is already up another 24%.

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