U.S. stock futures dip on Mideast violence By: MarketWatch February 22, 2011 at 06:18 AM EST U.S. stock futures fall sharply as violence heats up in the major oil-producing state of Libya, and as European and Asian markets move lower. Read More >> Related Stocks: Eni ADR [Cdi] Genuine Parts Home Depot Macy's Royal Caribbean Cruises Ltd Standard & Poors 500 Wal-Mart Stores, Inc.