Tencent jumps most in five months on release of new AI model Hy4

** Shares of Tencent 0700.HK jump 6.8% to HK$429, on track for biggest one-day pct gain since June 2

** Stock hits highest level since October 14 in the fifth consecutive session of gains

** The most active traded stock by turnover on the Hong Kong bourse, with 30.6 million shares worth HK$12.9 billion ($1.64 billion) changing hands in late morning

** Chinese tech giant on Wednesday released Hy4, a new AI model it said was designed with limits intended to reduce risk that it could be used for cyberattacks or harmful biological research

** YTD, stock down 29.1%, benchmark Hang Seng Index .HSI down 3.5%

($1 = 7.8455 Hong Kong dollars)