Chen Tianshi, a cofounder of Cambricon Technologies, has become China's richest AI chip billionaire.China News Service/China News Service via Getty Images China's AI chip boom is minting billionaires at breakneck speed, even as the economy sputters. Surging investor interest in domestic AI and semiconductor stocks is driving rapid wealth gains. US chip bans are supercharging China's homegrown AI champions. China's deepening property crisis has crushed household wealth and dented the fortunes of so ...