Top Performing Industries For May 22, 2015 By: Benzinga via Benzinga May 22, 2015 at 10:33 AM EDT At 10:30 am, the Dow dropped 0.15 percent to 18,258.48, the broader Standard & Poor's 500 index moved down 0.07 percent to 2,129.30 ... Read More >> Related Stocks: Daktronics Inc Gopro Inc Cl A Hewlett-Packard Micron Technology