CXMT Corporation, parent of Chinese memory chip giant ChangXin Memory Technologies (CXMT), aims to raise 29.5 billion yuan (US$4.2 billion) from an initial public offering in Shanghai to fund technology upgrades, as Beijing presses ahead with its drive for tech self-reliance amid geopolitical tensions. The Shanghai Stock Exchange received CXMT’s application for a listing on the Nasdaq-style Star Market, a filing on the bourse’s website showed on Tuesday night. This marks a critical step towards...