Baidu climbs on tie-up with Tesla to improve driving system in China

Hong Kong shares of Chinese tech giant Baidu 9888.HK climb 3.1% to HK$92.20, on course to snap two straight sessions of fall

Stock on course for the biggest one-day gain since March 6; top pct gainer on Hang Seng Tech Index .HSTECH, which adds 0.1%

U.S.-listed shares BIDU.O rose 2% on Thursday

Tesla TSLA.O is working with Baidu to improve the performance of its advanced driving assistance (ADAS) system in China, two people with knowledge of the matter said, after a recent update drew customer criticism

The deepening relationship with Baidu comes as Tesla navigates data and regulatory restrictions imposed by Beijing and Washington, which have made it tricky for the carmaker to bring full Autopilot and FSD systems to its second largest market

Hang Seng Automobile Index .HSAMI slips 0.8%, while Hang Seng Index .HSI gains 0.4%

YTD, Hong Kong stock up 11.2%, U.S.-listed shares up 11.8%