Shanghai nonferrous metals, except for copper and lead, traded slightly lower on Tuesday morning, as caution returned to markets following strong performance overnight amid a broad-based bullish sentiment. The six metals on the SHFE opened broadly higher in overnight trading. Nickel added 1.6% to the best performer, tin rose 1.1%, copper climbed 0.9%, zinc and aluminium crept up about 0.6%, while lead reversed earlier gains to close flat. Their counterparts on the LME climbed across the board on Monday. Nickel surged 3.3% to lead the gains across the nonferrous complex, copper jumped 2.1%, aluminium advanced 1.4%, ... (full story)