Wall St ends near session highs

All three major averages are now back in positive territory for April.
The Dow Jones industrial index closed up 152.29 points, or 1.05 per cent at 14,719.46 after a 143-point dive on a false AP tweet that the White House was hit by bomb which wounded President Obama.
The S&P 500 jumped 16.28 points, or 1.04 percent, to close at 1,578.78.
Nasdaq rallied 35.78 points, or 1.11 percent, to finish at 3,269.33.
All key S&P sectors closed up, led by financials and technology shares.