US STOCKS-Wall St retreats, Nasdaq and S&P 500 off 1 percent By: Reuters: Company News February 04, 2013 at 12:16 PM EST * Oracle falls after agreeing to buy Acme Packet for $1.9 billion Read More >> Related Stocks: Anadarko Petroleum Clorox Co Herbalife Ltd Wal-Mart Stores, Inc. Yum Brands