TLDR
- Micron (MU) stock fell 2.1% on Thursday, a day after it fell 10.6%, despite President Trump praising the company on Truth Social.
- Trump celebrated Micron’s $250 million pledge into Trump accounts, calling it a “historic” investment.
- The decline is part of a broader technology sell-off, with SanDisk (SNDK) down 10% and Western Digital (WDC) down more than 10%.
- South Korea’s KOSPI fell 7.9%, with SK Hynix falling 14.6% and Samsung falling 9.1%.
- Despite the decline, MU is still up nearly 262% in 2026, and its third-quarter earnings beat expectations across the board.
Micron Technology (MU) shares were down 2.1% on Thursday morning, trading at around $1,007, after a sharp 10.6% drop in the previous session — and Trump’s glowing endorsement did nothing to stem the decline.
President Trump posted on Truth Social Wednesday calling Micron “one of the most exciting companies in the world,” celebrating CEO Sanjay Mehrotra’s pledge to provide $250 million to Trump’s accounts. The accounts are savings vehicles with tax advantages for children under 18. Those born between 2025 and 2028 receive a $1,000 deposit from the treasury.
Trump He followed that up on Thursday with another post: “How about this? Micron, a great American company, announced they will put $250 million into Trump’s accounts for the benefit of children in the future.”
Market response? Ignore the sell button.
This is not a Micron story. The entire memory chip sector is taking a beating. Shares of SanDisk (SNDK) fell about 10%, Western Digital (WDC) fell more than 10%, and the iShares Semiconductor ETF (SOXX) pulled back after a weekly gain of 6.19%.
Sales spread abroad as well. South Korea’s KOSPI closed down 7.9% on Thursday. SK Hynix fell 14.6%, and Samsung fell 9.1%. Intel and Nvidia shares also fell.
Take profits after a monster round
Context is important here. MU is up approximately 262% in 2026 alone, and approximately 754% over the past year. The stock entered this week at a near-perfect price.
Prediction markets on Polymarket It had bear day odds of 98.5% heading into Thursday’s open. Traders saw this coming.
There’s also the insider selling angle. CEO Mehrotra sold $32.7 million worth of stock on June 26 under a previously scheduled 10b5-1 plan, near a 52-week high. It’s programmatic and rules-based, but in these evaluations it catches the eye.
What the basics actually say
Micron’s third-quarter fiscal 2026 earnings, reported June 24, were strong. Revenue was $41.46 billion, up 345.7% year over year, beating estimates by 17.6%. Non-GAAP EPS came to $25.11 versus a $20.28 estimate – the seventh straight beat. GAAP gross margin expanded to 84.6% from 37.7% in the previous year.
Management guided for Q4 revenue of $50 billion and EPS of $31.00.
Mehrotra told analysts that Micron Signed 16 strategic customer agreements covering approximately 25% of total revenues. These deals are expected to reach approximately $100 billion in cumulative bottom price revenue across 14 of them.
The company also holds $22 billion in cash deposits and letters of credit for customers against take-or-pay obligations. HBM4 shipments have already exceeded $1 billion, twice as fast as HBM3E 12 shipments.
Trump’s $250 million accounting pledge does not change Micron’s income statement. What matters is the structural shift to multi-year contracts and the HBM slope – and these stories remain intact.
MU last traded at $1,007, down 2.64% on the day.
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