Though delivering consensus-beating Q2 earnings and lifting the low end of its FY11 guidance...

|By:, SA News Editor

Though delivering consensus-beating Q2 earnings and lifting the low end of its FY11 guidance range, Weight Watchers (WTW) is down 16.5% today. With shares having doubled in 2011 prior to today's drop, investors were clearly expecting more. Concerns about higher ad spending may also be having an effect. (PR) (transcript)