** Shares of Chinese medical big data solutions provider
Yidu Tech Inc 2158.HK jump 11.6% to HK$4.22, on track for
biggest one-day pct rise since June 26 if current gains hold
** Stock hits the highest since Jan 12, third biggest pct
gainer in the Hang Seng Composite Index .HSCI
** Yidu, which has a current market value of $554.45 mln,
says it intends to repurchase shares in the market to reflect
its confidence in the firm's future development prospects in a
deal to be funded by internal cash resources
** The Hang Seng Commerce & Industry Index .HSNC climbs
0.2%, Hang Seng Composite Index rises 0.6% and the Hang Seng
Index .HSI adds 0.3%
** Stock down 17.6% YTD
($1 = 7.8276 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))