US STOCKS-Wall St dips, investors seek clarity on Greece deal By: Reuters: Company News February 20, 2015 at 10:06 AM EST * Indexes down: Dow 0.6 pct, S&P 0.5 pct, Nasdaq 0.3 pct (Updates to open of U.S. trading) Read More >> Related Stocks: Deere & Co Intuit Noodles & Company