Fortune roller-coaster: as Elon Musk loses US$130b, Chinese chip and AI founders gain

Elon Musk lost approximately US$130 billion over five trading days, joking about being a 'former trillionaire.' Meanwhile, executives at ChangXin Memory Technologies (CXMT), a leading Chinese memory chipmaker, saw their wealth increase as the company's stock surged 466% on its first trading day in Shanghai.