U.S. stocks rise ahead of Bernanke testimony By: MarketWatch February 24, 2010 at 09:47 AM EST U.S. stocks open higher on Wednesday ahead of U.S. Federal Reserve Chairman Ben Bernanke's testimony before a Congressional panel. Read More >> Related Stocks: Google, Inc. Toll Brothers Inc Toyota Motor Corp Ltd Ord ADR Wal-Mart Stores, Inc. Walt Disney