** Shares of Sunshine Lake Pharma Co Ltd 6887.HK climb 4.6% to HK$46.38, on course for the biggest one-day pct gain since Nov 3
** Stock touches the highest level since November 20 on the third straight session of rise, outpacing a 1.8% gain in Hang Seng Biotech Index .HSBIO
** The China-based pharmaceutical products producer intends to repurchase shares of up to 10% of the issued share capital on the open market to reflect confidence of the board and the management team in its long-term business prospects and growth
** Company says it has not yet obtained a general mandate to repurchase shares and it plans to convene a shareholder meeting as soon as practicable
** Stock down 26.5% so far from its peak of HK$62.30 on first day of trading on August 7; YTD, Hang Seng Biotech Index .HSBIO up 84.3%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))