Stocks were little changed Monday afternoon after the morning's worse-than-expected read on the services sector derailed an early rally. The Dow Jones industrial average eased 0.1%, while the S&P 500 lost a fraction. The Nasdaq rose a fraction, thanks in part to Apple (AAPL) and Priceline.com (PCLN). Market volume was higher on the NYSE and slightly lower on the Nasdaq. Leaders up in volume were scarce, but Beacon Roofing Supply (BECN) rose 3%