** Hong Kong shares of Chinese electric vehicle maker Xpeng Inc 9868.HK rise 4.9% to HK$63.55, on course for the biggest one-day pct gain since March 9
** Stock fourth-biggest pct gainer in Hang Seng TECH Index .HSTECH, which is up 2.1%
** U.S.-listed shares XPEV.N rose 3.2% on Thursday
** Xpeng launched its new full-size SUV GX, accelerating its push upmarket as the industry shifts from a price war centred on affordable EVs
** The launch of GX - Xpeng's top premium model to date, underscores the firm's ambitions to broaden its lineup beyond lower-cost models and compete directly in China's premium EV segment; GX will also soon go on sale in the Middle East
** YTD, Hong Kong stock down 20%, U.S.-listed shares down 22.9%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))