U.S. stock futures bounce off multi-year lows By: MarketWatch March 04, 2009 at 05:28 AM EST U.S. stock futures swung higher Wednesday, with hopes that China could lead a worldwide economic rebound helping markets bounce off multi-year lows. Read More >> Related Stocks: Costco Wholesale Diamonds Trust, Series 1 Google, Inc. PowerShares QQQ SPDR S&P 500 ETF Trust