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A potato tycoon who couldn’t type was the first to bet big on Micron Now, the rest of the world is catching on. The Boise, Idaho-based maker of memory chips closed above $1 trillion in market value for the first time on Tuesday, a sign of how even the most basic elements of the AI build-out are getting swept up in the yearlong frenzy for semiconductor stocks. Shares of Micron rose 19% on Tuesday, solidifying the country’s largest homegrown chip maker as the latest flag-bearer of the semiconductor rally.
The S&P 500, Nasdaq and Russell 2000 hit new highs as Micron surged to top a $1 trillion market cap. Caterpillar, Viavi flashed buy signals.

<body><p>STORY: "As this ongoing buildout of artificial intelligence infrastructure has happened," prices for memory chips have risen, Stucky said.</p><p>Equating the hike in memory chip prices to the rise of oil prices, Stucky said, "this would be the equivalent of oil markets moving from $60 a barrel to north of $300 a barrel."</p></body>
US equity indexes were mixed, as technology helped push the S&P 500 and the Nasdaq Composite to new
By Saeed Azhar, Twesha Dikshit and Utkarsh Hathi NEW YORK, May 26 (Reuters) - The S&P 500 and Nasdaq hit record closing highs on Tuesday, as AI-fueled optimism offset anxiety over Middle East peace
The Magnificent Seven's first-quarter earnings are in the books, and the seven companies registered their best profit growth in nearly five years. All remain pillars of the S&P 500 index. Collectively, Mag 7 earnings jumped 63.2% year over year, according to a report from FactSet.
US equity indexes traded mixed as technology topped sector charts, government bond yields sank, and

Micron (MU) is having its best trading day since 2011, on track to close at a valuation of $1 trillion, which would make its market cap nearly tied with those of Eli Lilly (LLY) and Berkshire Hathaway (BRK-B, BRK-A). Yahoo Finance Markets and Data Editor Jared Blikre takes a closer look at Micron's market action in the video above.
Micron Technology's (MU) valuation should get a further boost from long-term agreements in the memor
Shares of memory chips maker Micron (NASDAQ:MU) jumped 16.8% in the morning session after UBS analyst Timothy Arcuri tripled his price target to $1,625 from $535, sending the stock past the $1 trillion valuation mark for the first time and making it the most bullish call on Wall Street.
Micron surged 18% on one analyst's bold call. The S&P 500 and Nasdaq followed, but the Dow didn't get the memo.
On Friday May 22, President Trump publicly praised Micron Technology (NASDAQ:MU) with three words: “Micron is great.” Today Micron stock is up 20%, trading around the $902 area and pushing the company’s market capitalization above $1 trillion. The timing is striking. However, the honest read on today’s rally points elsewhere for the catalyst. The proximate ... Trump Said “Micron’s Great” On May 22. The Stock Is Up 20% Today.
Micron is no longer just leading the chip rally. It is crashing the megacap leaderboard.
Micron and Marvell led tech and AI stocks higher Tuesday to start the holiday-shortened trading week, with Wall Street analysts suggesting there could be more gains ahead.
US equity indexes traded mixed, with the S&P 500 and the Nasdaq hitting new all-time highs as techno

<body><p>STORY: :: Micron</p><p>Micron Technology topped $1 trillion in market value for the first time on Tuesday...</p><p>crowning a dizzying rally that has cemented the largest U.S. memory chipmaker as one of the standout winners of the AI boom.</p><p>Micron's shares rose more than 18% on Tuesday, pushing the stock to a record high after brokerage firm UBS more than tripled its price target on the stock to over $1,600.</p><p>The milestone underscores the central role of memory chips - used to store and move data - in AI infrastructure...</p><p>and reflects a broadening of the AI trade beyond chipmakers like Nvidia whose processors train and run AI models.</p><p>Micron's ascent also gives the U.S. a strong contender in a memory-chip race that has largely been led by Asia so far.</p><p>South Korea's Samsung Electronics, the world's top memory chipmaker, has already hit the $1 trillion milestone, while the country's SK Hynix is also closing in.</p><p>Chip stocks in general continued their surge on Tuesday, with Marvell Technology rising more than 10% in morning trading, while Qualcomm added as much as 8%. Shares of Broadcom and Intel were also higher.</p><p>All helped push the Philadelphia Semiconductor index up nearly 6% to an all-time high.</p></body>
Analysts see sustained demand for memory chips as AI infrastructure spending continues to expand.
Micron Technology (MU) is benefiting from long-term memory agreements, with the stock expected to re
Shares rose premarket as investors focused on chip demand and U.S. production.
Jordi Visser, with over 30 years of Wall Street experience, exited his Micron position and is watching Dogecoin as a key gauge of retail speculation.