The most-traded March copper contract on the Shanghai Futures Exchange fell 0.7 percent to 55,490 yuan ($8,800) a tonne on Monday. "Across the commodity complex, gains were capped because of dollar strength," said Ong Yiling, an investment analyst at Phillip Futures in Singapore. "It's a theory of relativity and markets are seeing that the disparity between the US and Europe is widening. The eurozone debt trouble is still hanging over us."