On Wednesday, copper prices changed little, while that doubts persisted as to China's ability to roll out more stimulus measures for relaunching declining economic growth, traders remain cautious about on the calendar of further cuts in American rates.

The most traded copper contract on the Shanghai Stock Exchange was closed the day up 0.04% to 79,970 yuan (11,233.32 dollars) metric ton at 08:00 GMT. The reference price of copper at three months on the London Metal Exchange fell 0.1% to $9,965 per ton at 08:04 GMT.

Among the other metals in LME, zinc lost 0.28%, nickel lost 0.35%, tin fell by 0.18%, aluminum and lead remained stable.

Among the other base metals of SHFE, aluminum has increased by 0.1%, zinc lost 0.46%, nickel added 0.2%, lead fell by 0.32 % and tin rose by 0.52%.