Wall St ends high

U.S. stocks closed up on Apple's strong results and Federal Reserve Chaiman Ben Bernanke's
confirmation that U.S. central bank will maintain measures to support U.S. economy.
Dow Jones Industrial Average ended up 89.16 points, or 0.69 per cent at 13,090.72.
S&P 500 surged 18.72 points, or 1.36 per cent at 1,390.69.
All key S&P sectors closed higher, led by techs and materials.
Nasdaq composit gained 68.03 points, or 2.30 per cent to close at 3,029.63,biggest one-day gain this year after five days losing streak