listed CStone jumps most in 2-1/2 months on Kimia tie-up

** Shares of CStone Pharmaceuticals 2616.HK jump 9.2% to HK$5.29, on track for their biggest one-day pct gain since August 11

** Stock hits its highest point since October 12

** Oncology therapies researcher and developer says it enters clinical development collaboration agreement with drug discovery firm Kimia Therapeutics to advance novel drug candidate targeting repair pathways critical for solid tumour cell survival

** YTD, stock up 0.5%, Hang Seng Biotech Index .HSBIO up 1.4%