Wall Street opened higher on Wednesday after data showed surprisingly strong May durable goods orders and ahead of a Federal Reserve policy meeting later in the day.

Adding to optimism, the Organization for Economic Cooperation and Development said the economic outlook has improved for the first time in two years.

The Dow Jones industrial average <.DJI> gained 43.08 points, or 0.52 percent, to 8,365.99. The Standard & Poor's 500 Index <.SPX> gained 6.12 points, or 0.68 percent, to 901.22. The Nasdaq Composite Index <.IXIC> gained 15.71 points, or 0.89 percent, to 1,780.63.

(Reporting by Chuck Mikolajczak; editing by Jeffrey Benkoe)