Micron stock experiences choppy trading amid China fears

Micron Technology just had the kind of month that makes portfolio managers reach for the antacids. After hitting all-time highs above $1,200 per share in June 2026, driven by insatiable AI demand for high-bandwidth memory, the stock cratered as much as 22% in July. The culprit isn’t a deterioration in fundamentals. It’s a company most Western investors had barely heard of a few months ago. ChangXin Memory Technologies, or CXMT, raised approximately $8.6 to $9.8 billion in its IPO on the Shanghai STAR Market, then proceeded to do something that grabbed the attention of every semiconductor investor on the planet: its shares surged over 466% from the debut price, catapulting the company to a market capitalization of around $484 billion. The selloff in numbers On July 15, 2026, Micron shares dropped as much as 8% intraday as the market digested what CXMT’s rise could mean for the cozy three-player oligopoly that has dominated the DRAM market for years. Micron, Samsung, and SK Hynix have long enjoyed the benefits of limited competition, a dynamic that has supported pricing power and healthy margins. CXMT’s emergence as the world’s fourth-largest DRAM producer is poking holes in that the...