GlaxoSmithKline (NYSE: GSK) is recently down $3.75 to $42.13.
GSK reported a declining Q4 pre-tax profit and warned 2008 earnings will be negatively affected by decreasing sales of diabetes drug Avandia, competition from generics and a weak dollar.
GSK overall option implied volatility of 26 is near its 26-week average according to Track Data, suggesting non-directional risk.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com



