I've got a very weak signal erectalis efeitos colaterais The Dow Jones industrial average was down 25.96points, or 0.17 percent, at 15,300.64. The Standard & Poor's 500Index was down 5.71 points, or 0.34 percent, at 1,683.42.The Nasdaq Composite Index was down 9.04 points, or 0.24percent, at 3,715.97.