(MB) Copper premiums in Shanghai moved higher following the Lunar New Year holiday, with industry participants optimistic over China’s demand prospects. Meanwhile, spot market activity remained tepid in Europe and the United States, leaving premiums there largely unchanged. Copper premiums in Shanghai tick higher on post-holiday demand Chinese buying boosted by positive import arbitrage US, European markets largely stable Positive arbitrage stokes buying interest in Shanghai, pushing premiums higher Copper premiums firmed in Shanghai over the past week with arbitrage-related buying reported after market participants returned from holiday. The premium for grade A copper cathode on an in-warehouse basis, Shanghai, edged up to $65-82 per tonne on Tuesday.