U.S. stocks fall; PMI slips in April By: MarketWatch April 23, 2014 at 10:00 AM EDT U.S. stocks took a pause after a six-day run by trading slightly lower in early morning on Wednesday. Read More >> Related Stocks: AT&T Inc Apple Boeing Co Delta Air Lines Dow Chemical Facebook Gilead Sciences Plug Power Inc Procter & Gamble Standard & Poors 500 Yum Brands