** Shares of Li Auto 2015.HK rise 6.5% to HK$93.9, on course for biggest one-day pct gain since July 17; leads gain among HK-listed EV makers

** Stock second-biggest pct gainer on Hang Seng Automobile Index .HSAMI

** China's top economic planner will work with other departments to investigate and punish below-cost dumping, false propaganda and speed regulation of "disorderly competition" in some industries, its spokesperson said on Friday

** Shares of Geely Automobile 0175.HK, Xpeng 9868.HK, Leapmotor 9863.HK, NIO 9866.HK, Great Wall Motor 2333.HK and BYD Co 1211.HBK rise between 0.3% and 2.5%

** Hong Kong-listed stock of battery producers also jump with Tianqi Lithium 9696.HK, Ganfeng Lithium 1772.HK, Tianneng Power 0819.HK up between 1.6% and 13.8%

** CATL's Shenzhen-listed shares 300750.SZ soar 14.1% to 316.66 yuan, highest level since August 2022, while Hong Kong shares 3750.HK jump 8.8% to HK$443, highest since July 30

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))