The U.S. dollar strengthened against the basket of major trading-partner currencies on concerns about deepening Eurozone's debt crisis. The euro declined by 0.25 per cent to $1.2087, while the ICE dollar index jumped 0.14 per cent and climbed to 83.804. Meanwhile, China's manufacturing output rocketed to a five-month high, providing a mild boost to the aussie, the Japanese yen and the British pound.