Memory chip stocks fell despite a broadly positive semiconductor market, likely due to news of the impending large-scale IPO of Chinese manufacturer ChangXin Memory Technologies (CXMT). Reports on July 15, 2026, highlight that CXMT's rapid expansion could significantly increase global DRAM production. This prospect of new supply is causing concern that the current memory shortage, which has driven prices and profits to record highs, may alleviate sooner than anticipated, potentially pressuring future margins for established players.