** Shares of Tennor Therapeutics (Suzhou) 6872.HK soar 155.6% from offer price to HK$193.50 each in Hong Kong debut, overpowering a 1.1% gain in the benchmark Hang Seng Index .HSI
** Stock last up 140.4% from offer price of HK$75.70 apiece, with 2.05 mln shares worth HK$290.9 mln ($37.13 mln) changing hands
** China-based innovative drug products developer sold 8.28 mln shares in global offering, raising HK$626.8 mln
** Hong Kong public offering portion is 9,015.11 times subscribed, international offering portion is 9.24 times subscribed
** YTD, Hong Kong Biotech Index .HSBIO down 3.7%
($1 = 7.8350 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))