Wall Street turned green on ECB's President words of hope for the single currency. Meanwhile, the U.S. jobless claims came fewer-than-expected and durable-goods orders increased, providing more than 1 per cent boost to U.S. stocks. The Dow Jones Index jumped 1.4 per cent, to 12,856.33, the Standard & Poor 500 Index rose 1.3 per cent, to 1,355.21 and the Nasdaq Composite soared 1.2%, to 2,888.06.