China memory chipmaker Changxin Technology Group, or CXMT, made a dramatic entrance on Shanghai’s STAR Market, with shares jumping more than 500% on debut. The move lifted the Hefei-based company to the top spot among China-listed firms by market value, underscoring how investor appetite for semiconductor names remains strong even in a volatile market.
CXMT raised 57.92 billion yuan, or about $8.6 billion, in its initial public offering after pricing shares at 8.66 yuan each. That made the transaction Asia’s largest IPO so far this year. By the end of trading, the stock was changing hands at 52 yuan, implying a market capitalization of roughly 3.5 trillion yuan.
AI, self-sufficiency and a fast-changing market
According to the company’s IPO prospectus, CXMT held a 7.67% share of the global DRAM market in 2025 based on fourth-quarter sales. DRAM chips are used across devices ranging from smartphones to servers, and the market remains dominated by Samsung Electronics, SK Hynix and Micron Technology. The listing has also drawn fresh attention after reports earlier this month said Apple had begun testing CXMT’s DRAM for devices sold in China.
CXMT said it plans to use the offering proceeds mainly to expand mass production of memory wafers and support research and development projects aimed at improving its technology and competitiveness. The company, founded in 2016 by Chairman Zhu Yiming, reported an operating profit of 35.43 billion yuan in the first quarter, reversing a loss of 2.83 billion yuan a year earlier. Analysts cited growing demand for computing power, capacity allocation by major manufacturers, and limited free float on the first day as factors behind the sharp rally. Morningstar said CXMT could benefit as AI becomes more closely tied to China’s national security priorities and Beijing pushes for semiconductor self-sufficiency, even though its technology still trails global leaders.
Still, some market watchers urged caution. One investor said sentiment around the memory cycle may be nearing a short-term peak, warning that the unusually strong margins seen in the sector may not last forever. Even so, the debut highlighted how quickly a major Chinese chipmaker can become a focal point for both technology strategy and market speculation.
Source: cnbc.com
