** HK shares of Xpeng 9868.HK jump 7.3%; set for biggest one-day pct rise since April 23

** Stock, set to snap 5-session decline, leads rise among HK-listed Chinese EV makers; top pct gainer on Hang Seng Tech Index .HSTECH, which is up 3.1%

** Xpeng's Smart EV deliveries surges 273% y/y in April

** HK-listed Li Auto 2015.HK rises 4.4% to HK$99.4, highest since April 3; April delivery jumps 31.6 y/y

** BYD 1211.HK rises 1.9%; April sales up 21.3% y/y

** NIO 9866.HK gains 1.6%; April delivery climbs 53%

** Geely Auto 0175.HK surges 3.2%; April sales soars 53% y/y

** Great Wall Motor 2333.HK gains 1.4%; April total sales volume up 5.6%

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))