Micron Stock Faces New Memory Threat as China's CXMT Surges 466% After IPO Barron'sChip Maker Soars 466% on Debut to Become No. 1 in China Stock Market WSJChipmaker CXMT becomes mainland China's most valuable listed firm BBCChinese chip champion CXMT soars 466% in market debut Financial TimesMicron and other chip stocks fall as China steals the spotlight MarketWatch