PANews August 8 - U.S. stocks opened higher, with the Dow up 0.17%, the S&P 500 up 0.29%, and the Nasdaq up 0.36%. Influenced by trade news, the gold sector saw widespread gains, with Harmony Gold (HMY.N) up 0.63%, Gold Fields (GFI.N) up 0.5%, and Newmont Mining up over 1%.