China chipmaker CXMT's shares surge 470% in Shangai trading debut
By Yantoultra Ngui and Samuel Shen SINGAPORE/SHANGHAI, July 27 (Reuters) - Shares of CXMT Corp surged nearly 470% at their Shanghai debut on Monday after Asia's biggest IPO this year, catapulting the chipmaker to the top of China's stock market by valuation despite a recent selloff in global tech