** Giant Biogene 2367.HK jumps 6.8% to HK$39.08; on course for biggest one-day pct rise since July 7
** Stock hits highest since November 17
** Bioactive material-based beauty and health products developer and maker intends to use own funds to finance share repurchase scheme to reflect its confidence in long-term strategy and growth, while enhancing EPS
** Co, with current market capitalisation of HK$41.4 bln ($5.32 bln), says current share price lower than its intrinsic value and does not fully reflect co's business prospects, asset value
** YTD, stock down 21.7%
($1 = HK$7.7872)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))