Shares of ChangXin Memory Technologies (CXMT) could more than double from Monday’s close as the Chinese chipmaker expands its global dynamic random-access memory (DRAM) market share to 18 per cent by 2028, according to Nomura, which set a price target of 116 yuan. The listing of CXMT, the country’s top maker of DRAM chips, sparked investor momentum as its shares surged 466 per cent to close at 49 yuan. It has become the most valuable company listed on the mainland Chinese market. Its market cap...