BUZZ-Healthcare stocks: Down on market selloff

** Shares (Berlin: DI6.BE - news) of healthcare companies including drugmakers and biotechnology therapy developers fall about 3 pct as Wall Street opens sharply lower

** More than 8 pct drop in Chinese shares, selloff in oil and other commodities prompt downturn in all three stock market indices

** U.S (Other OTC: UBGXF - news) .-listed shares of GlaxoSmithKline Plc (Other OTC: GLAXF - news) touch lowest in nearly 4 years at $39.37, Merck (Jakarta: 28586808.JK - news) & Co hits lowest in more than 2 years at $45.70, Johnson & Johnson (NYSE: JNJ - news) falls to 52-month low of $81.79, Biogen Inc (NasdaqGS: BIIB - news) drops to 21-month low of $265

** Celgene Corp (Swiss: CELG.SW - news) falls as much as 21.8 pct to $92.98 before paring some of its losses to trade down 2.4 pct at $116.20

** Eli Lilly & Co (Hanover: LLY.HA - news) down 3 pct at $81.65, Bristol-Myers Squibb Co down 3 pct at $59.20, Pfizer Inc (NYSE: PFE - news) down 3 pct at $32.49

** Amgen Inc (HKSE: 4332.HK - news) down 4 pct at $149.35, Gilead Sciences (NasdaqGS: GILD - news) Inc down 3.5 pct at $101.61

** S&P 500 Healthcare sector index down 3 pct at 801.97, Nasdaq Biotechnology index down nearly 4 pct at 3436.71