** HK shares of Xpeng 9868.HK jump 4.6% to HK$76.7; set for biggest one-day pct rise since April 14

** Stock leads gains among HK-listed Chinese EV makers; fourth-biggest pct gainer on Hang Seng Tech Index .HSTECH, which is up 2.4%

** CEO says Xpeng bringing 5C fast charging tech to EV segment for cars priced at ~200,000 yuan ($27,375)

** Geely 0175.HK plans to open its pool of battery safety patents to entire auto industry

** BYD'S 1211.HK Yangwang brand launches full-size executive luxury SUV U8L

** Leapmotor 9863.HK says it delivered 8,000 B10 SUVs in 13 days

** BYD's HK stock jumps 5.2% Leapmotor rises 4.1%, Geely gains 2.2%

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))