Dow Jones falls to start Friday amid banking contagion fears ahead of the weekend

9:46am: Deutsche Bank shares drop Shortly after the opening bell, the Dow was down 185 points, 0.6%, to 31,921, the Nasdaq Composite fell 71 points, 0.6%, to 11,716 and the S&P 500 dropped 25 points, 0.6%, to 3,923. Deutsche Bank shares fell more than 6%, raising renewed fears about the wider banking sector. Meanwhile, investors are…