U.S. stock futures point south for Wall Street By: MarketWatch August 17, 2009 at 06:04 AM EDT U.S. stock futures point to a weaker start for Wall Street, amid a backdrop of economic worries and skidding overseas markets. Read More >> Related Stocks: Dow Jones Industrial Average (EOD) Home Depot Lowe's Companies Target Corp Wal-Mart Stores, Inc.