This could be the Dow’s first 200-point drop in nearly 4 months By: MarketWatch July 31, 2014 at 13:57 PM EDT U.S. stocks are falling hard on this last day of July. How bad is it? Here are a few key milestones. Read More >> Related Stocks: Dow Industrials SPDR SPDR S&P 500 ETF Trust Standard & Poors 500