** HK shares of Li Auto 2015.HK fall 2.6% to HK$97.9, lowest since May 6
** Stock set for fourth straight session of decline
** U.S.-listed stock LI.O lost 3.3% on Friday
** Co delivered 30,731 vehicles in July, down 39.7% y/y and 15.3% m/m
** BAIC BluePark New Energy Technology 600733.SS falls 3.6% to 8.48 yuan, lowest since April 17, after its July sales dropped 6.4% y/y, production fell 7.8% y/y
** YTD, Li Auto's HK stock rises 6.9%, U.S.-listed shares up 5.2%; BAIC gains 7.1%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))