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China\'s CXMT surges 470 percent in Shanghai debut, valued at 715 trillion won

Chinese memory chipmaker ChangXin Technology Group (CXMT) surged about 470 percent on its first day of trading on Shanghai\'s STAR Market, becoming China\'s most valuable listed company. The Hefei-based firm priced its IPO at 8.66 yuan per share and raised 57.92 billion yuan, described as Asia\'s largest IPO this year. Its market value rose to about 3.3 trillion yuan. CXMT plans to invest proceeds in memory wafer production and R&D.