US STOCKS-Wall St dips as small-caps underperform again By: Reuters: Company News May 16, 2014 at 13:20 PM EDT * Dow off 0.1 pct; S&P 500 off 0.1 pct; Nasdaq down 0.3 pct (Updates to midday, adds Pfizer and Chesapeake news) Read More >> Related Stocks: Applied Materials Autodesk Chesapeake Energy J C Penney Company Inc Nordstrom Pfizer TripAdvisor