The Dow moved up 0.6% in morning trading, and the S&P 500 climbed 0.8%. The tech-heavy Nasdaq composite advanced 1% and the Russell 2000 small-cap index added 0.8%.

Wall Street praised Micron's stellar Q1 earnings. Morgan Stanley said the results were among the biggest surprises in the history of the chip sector.

We recently published 10 Firms Stealing the Show on Wall Street. Micron Technology, Inc. (NASDAQ:MU) is one of the best performers on Thursday. Micron Technology snapped a five-day losing streak on Thursday,

The memory-chip maker posted a quarterly profit of $5.24 billion, compared with $1.87 billion a year earlier.

Micron Technology forecast second-quarter adjusted profit at nearly double what Wall Street analysts expected on Wednesday, as prices soar for memory chips amid tight supplies and booming demand from artificial intelligence data centers.

Micron reported first-quarter revenue of $13.64 billion, topping analyst estimates of $12.83 billion, according to Benzinga Pro. The chip company posted adjusted earnings of $4.78 per share for the quarter, exceeding analyst estimates of $3.95 per share.

Record results, surging AI memory demand, and fresh analyst upgrades are resetting expectations for this chipmaker, today, Dec. 18, 2025.

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Memory chipmaker Micron Technology Inc. crushed Wall Street’s expectations on earnings and revenue and offered jaw-dropping guidance for the current quarter as it delivered its latest financial results, sending its stock higher in extended trading.