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A sell-off in semiconductor stocks deepened on Tuesday.

Memory stocks delivered some of the biggest gains in semiconductor history as AI demand swept through the sector, rewarding investors who got in early. Now those same stocks are cratering, and the question keeping traders up at night is whether this is a buying opportunity or the beginning of something far more painful.

Stock Market Today: The Dow Jones index rose, but tech futures dropped as chip stocks Micron and Sandisk dived. Coca-Cola jumped on earnings.

(Updates with economic data, recent oil price movement, world markets' overview and corporate stock

Taiwanese prosecutors just detained an Nvidia employee in a chip smuggling probe already linked to Supermicro's stunning collapse, and investors are scrambling to figure out whether history is about to repeat itself.

Jim Cramer issued one of his sharpest warnings of the year on Mad Money last night, and it lands at a moment when leveraged AI positions are sitting in a minefield few retail investors seem to see yet.

AI chip and memory leaders MU, INTC and TSM stand out for August as AI demand, growth and targets support upside.

Samsung, SK Hynix, and Kioxia got destroyed overnight in Asia, and the shockwave hit US memory and storage stocks hard in premarket trading Tuesday. Three overlapping catalysts are forcing traders to rethink whether the AI memory trade was built on shakier ground than anyone admitted.

South Korea's Kospi fell 10% and Nasdaq-100 futures dropped more than 1% as semiconductor names slid for a fourth session

The memory chip maker is securing its future with significant new contracts, but a recent price decline raises questions about its current valuation.

South Korea's KOSPI just suffered a historic overnight collapse, dragging Samsung and SK Hynix down double digits and sending shockwaves straight into US chip stocks before Tuesday's open. Whether this sparks another brutal Nasdaq sell-off depends on one critical signal forming in premarket right now.

Stock futures slipped as a slump in chip stocks broadened.

China's CXMT just pulled off the biggest semiconductor IPO in mainland history, and Micron shareholders felt the tremors almost immediately. Whether that reaction is panic or opportunity depends on one critical gap between the two chipmakers.

Micron, Nvidia, and other AI stocks struggle as investors fret about rising costs and competition from China.

Chinese memory chip maker’s IPO adds to crowded market, Ford wants to build an Army truck, another shipping crisis, and more news to start your day.

Asian chip stocks sold off today, pushing South Korea’s Kospi index 10% lower and Japan’s Nikkei 4% in the red. That followed a tough session for U.S. chipmakers that looks set to extend to today, with Intel, Micron and others sliding premarket.

The world’s hottest major index dived almost 11% as fears about cheap Chinese chip competition bled into international markets after ravaging U.S. tech stocks.

The artificial-intelligence trade took a beating Monday and investors are waking up to a nasty hangover.

↘️ Samsung (KR:005930), SK Hynix (KR:000660, SKHY): Shares in both chipmakers dropped more than 13% as part of a broader selloff amid mounting doubts over the AI boom. Over in the U.S., Micron Technology (MU), Intel (INTC) and other chip stocks are also sliding premarket.

Micron stock has rocketed over the past year, leaving those interested in buying shares to wrestle with a steep price tag. Fortunately, there's another route to Micron exposure.

Investing.com -- U.S. chip stocks extended losses in premarket trading Tuesday, building on Monday’s declines after a broad selloff swept through Asian semiconductor names overnight as investors pulled back from AI-linked stocks amid growing worries about how the industry’s infrastructure buildout is being financed and rising competitive pressure from China.

The AI boom is expanding beyond semiconductor companies; Shopify is an early leader in agentic commerce.

July 28 (Reuters) - Nasdaq futures fell on Tuesday, mirroring a cautious mood across global markets toward AI chip stocks on concerns about hefty corporate spending and rising Chinese competition,

Retail sentiment remains ‘bearish’ on SPY and deteriorated to ‘extremely bearish’ on QQQ, amid growing anxiety around technology stocks.

President Trump said that talks with Iran were taking place. In response, Brent crude further declined while Treasurys strengthened and the dollar fell.

The boom-and-bust memory cycles of the past few years may be over.

CXMT stock surged over 5x on its debut in Shanghai.

China’s ChangXin Memory Technologies completed its IPO, signaling a push to build a domestic DRAM champion. The move highlights rising local competition for Micron Technology in commodity memory segments. Industry analysts currently see Micron maintaining a lead in high bandwidth memory used in AI systems. Micron Technology, ticker NasdaqGS:MU, sits at the center of this shift in the memory market as investors weigh how new Chinese capital could affect global supply. The stock trades at...

SK Hynix fell 13% as Nvidia's OpenAI bet, China's CXMT listing, and AI capex doubts hit chip stocks with more volatility.

Micron's valuation could be a warning sign, but history may not repeat itself this time around.