Alibaba Group delivered its strongest defence yet of an “all in” artificial intelligence strategy on Thursday, with chairman Joe Tsai arguing that AI could ultimately represent a US$50 trillion market and vowing to invest across the industry’s entire value chain rather than bet on a single winner. Speaking at the VivaTech technology conference in Paris, Tsai said Alibaba was pursuing a “full-stack” strategy spanning chips, cloud infrastructure, foundation models and consumer applications,...