April 14 (Reuters) - Wall Street's main indexes opened

higher on Tuesday after reports of fresh efforts to ease the

Middle East conflict boosted sentiment, with traders also

assessing corporate earnings and the March producer price data.

The Dow Jones Industrial Average rose 53.8 points, or

0.11%, to 48,272.03 at the open. The S&P 500 rose 24.0

points, or 0.35%, to 6,910.2​, while the Nasdaq Composite

rose 147.8 points, or 0.64%, to 23,331.501.