Alibaba and other Chinese tech stocks rose on Thursday, benefiting from an ongoing artificial-intelligence rally. Shares in the e-commerce platform Alibaba closed 3.5% higher in Hong Kong trading, while Baidu gained 4.5% and JD.com rose 3.1%. Hong Kong’s Hang Seng index added 1.6%. Alibaba’s American depositary receipts climbed 2.8% ahead of the open, after rising 2.3% on Wednesday. The shares surged last month after the company hiked spending on AI, unveiled a new language model and partnered with Nvidia. ...