Copper prices fell 2.5 percent on Tuesday, moving away from four-month highs as a strong dollar and risk aversion weighed on industrial metals.

Crude throughput at China's leading refineries is expected to rise moderately in September from a month ago as two plants plan to rev up operations after repairs despite industry concerns on refining margins.

The euro zone's services sector expanded more slowly in February than previously expected, but firms recorded an increase in backlogs of work for the first time in two years, a survey showed on Wednesday. 

China's key stock index ended at a new four-month high on Tuesday, with a key resistance level prompting investors to sell off insurers and financials such as Ping An Insurance Group Co