Wall St ends up

U.S. stocks closed sharply up following report that central banks are preparing coordinated action to provide liquidity after Greek election.
The Dow Jones Industrial Average closed at 12,651.91, up 155.53 points, or 1.24 per cent.
S&P 500 surged 14.22 points, or 1.08 per cent, to end at 1,329.10.
All 10 S&P sectors closed in positive territory, led by telecoms and energy.
The Nasdaq gained 17.72 points, or 0.63 percent, to finish at 2,836.33.