In 2018, Ge Weidong heavily invested in GigaDevice, betting on domestic memory chips, with a position worth 16.1 billion yuan. The original investment was 2.08 billion yuan, and the unrealized profit is 14 billion yuan. In 2022, he was still complaining about the lack of market opportunities and wanting to give up, with several stocks deeply stuck. Then AI came along, and he made a fortune.