Bernanke, basic materials lift Wall Street
Basic materials companies were among the top performers, with AK Steel Holding Corp rallying 6 percent after it posted a fourth-quarter profit.
The Dow Jones industrial average added 71.72 points, or 0.71 percent, to 10,244.70. The Standard & Poor's 500 Index rose 10.06 points, or 0.92 percent, to 1,101.82 after hitting 1 percent. The Nasdaq Composite Index gained 14.65 points, or 0.66 percent, to 2,219.94.
(Editing by Kenneth Barry)