U.S. stock futures drift lower before payrolls By: MarketWatch March 06, 2009 at 05:52 AM EST U.S. stock futures drift lower, with fresh bear-market lows seen on tap ahead of what could be the worst monthly employment in nearly 60 years. Read More >> Related Stocks: Diamonds Trust, Series 1 H&R Block Marvell Technology Inc PowerShares QQQ SPDR S&P 500 ETF Trust