Worst Performing Industries For February 9, 2015 By: Benzinga via Benzinga February 09, 2015 at 11:18 AM EST The Dow slipped 0.33% to 17,765.21, while the NASDAQ composite index fell 0.23% to 4,733.64. The broader Standard & Poor's 500 index ... Read More >> Related Stocks: Alaska Air Group Gopro Inc Cl A Irobot Corp McKesson Corp