Chipmaker CXMT becomes mainland China’s most valuable listed company0

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• July 27, 2026

Shares of China’s largest memory chip maker have soared nearly 470% as they made their debut on the Shanghai Stock Exchange’s high-tech Star Market. The rise has lifted the stock valuation of ChangXin Memory Technologies (CXMT) to around 3.3 trillion yuan ($487bn; £365bn), making it mainland China’s most valuable listed company. The spectacular debut comes