NEW YORK, April 4 (Xinhua) -- U.S. stocks ended higher Tuesday on bullish economic speculation, with Nasdaq Composite hitting its five-year high, as oil prices declined.

    The market got bullish sustainment from two Federal Reserve presidents' positive speech. Dallas Fed President Richard Fisher said in a speech that the Fed can tolerate a lower level of U.S. unemployment than it previously did thanks to the global economy and productivity gains.

    Meanwhile, Richmond Fed President Jeffrey Lacker said that the price index for core personal consumption expenditures, a favoriteFed indicator, showed inflation well-contained.

    World crude oil prices fell 51 cents to 66.23 dollars Tuesday on the eve of U.S. weekly stockpiles report, after touching two months high Monday amid worries of supply in Iran and Nigeria.

    Among companies in focus, Computer Sciences, the No. 5 computer-services company, said it will explore strategic options after hiring Goldman, Sachs & Co. as an adviser. The company also said it will eliminate 5,000 jobs. Computer Sciences gained 2.51 dollars to 59.80 dollars.

    At the closing time, the Dow Jones industrial average rose 58.91, or 0.53 percent, to 11,203.85. The Standard & Poor's 500 indexadded 8.12, or 0.63 percent, to 1,305.93. The Nasdaq composite index gained 8.62, or 0.37 percent, to 2,345.36, the highest sinceFeb. 16, 2001. Enditem