** Shares of CK Life Sciences Intl (Holdings) 0775.HK drop 8% to HK$0.92, on course for their biggest one-day pct drop since April 30
** Chinese healthcare products developer expects to post HK$150 mln loss for six months ended in June, vs HK$1 mln profit the same period a year ago, amid increase in R&D investments
** Hong Kong's healthcare index .HSCIH eases 0.6%, benchmark Hang Seng Index .HSI slips 0.1%
** YTD, stock up 129.3%
($1 = 7.8499 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))