Wall St ends 3-day losing streak

U.S. stocks closed up overnight on better-than-expected economic reports and amid optimism over Greece's bond swap offer.
The Dow Jones Industrial Average gained 78.18 points, or 0.61 per cent to end at 12,837.33.

The S&P 500 rose by 9.27 points, or 0.69 per cent at 1,352.63.

Most key S&P sectors ended higher, led by banks and industrials.

The Nasdaq composite added 25.37 points, or 0.87 per cent to close 2,935.69.