** LEPU ScienTech Medical Technology (Shanghai) 2291.HK slips 13% to HK$23.88; set for biggest one-day pct decline since April 23
** Stock top pct loser on Hong Kong's healthcare index .HSCIH
** Co's key shareholder Lepu Medical Technology (Beijing) 300003.SZ disposes 11.14 mln H-shares, or 3.21% of share capital, by block deals, reducing its stake in co to 77.54%
** Sells shares at HK$22.79, a 17% discount to Monday's close
** Says disposal intended to enhance liquidity of shares
** Does not expect to have any adverse effect on business operations
** Lepu Medical Technology slips 1.6% to 20.3 yuan
** YTD, HK-listed LEPU ScienTech Medical gains 37.3%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))