Copper futures at Shanghai Futures Exchange higher on firm LME 3-month; "it's finding support at $5,400-$5,500, especially given resumed Chinese imports," says Wang Zheng, Dalu Futures' analyst. Adds, "we should pay more attention to U.S. data this week than rising LME copper stocks; it's more important to see the development on the demand side." SHFE benchmark April contract at CNY52,620/ton, +CNY520. LME 3-month at $5,675/ton, +$36 from PM kerb.