Alibaba Group Holding’s chip design unit T-Head has more than tripled its capital base, as the tech giant doubles down on efforts to become a domestic semiconductor powerhouse amid the artificial intelligence boom and China’s chip self-sufficiency drive. Shanghai-headquartered T-Head last week increased its registered capital to 1 billion yuan (US$148 million) from 300 million yuan, according to information released by Chinese corporate registry data provider Qichacha. The capital injection, the...