** Hong Kong shares of NIO Inc 9866.HK drop 6.9% to HK$40.34, their lowest level since Aug 21
** Stock set for biggest one-day pct decline since Oct 16; top pct loser on Hang Seng Tech Index .HSTECH, which is down 0.5%
** U.S.-listed stock NIO.N fell 5.8% on Monday
** Chinese electric vehicles makers said it delivered 36,275 vehicles in November, up 76.3% y/y
** However, it was down 10.2% from October delivery of 40,397 vehicles
** YTD, Hong Kong stock up 16.7%, U.S.-listed shares up 18.8%, Hang Seng Automobile Index .HSAMI up 24.6%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))