SHANGHAI, Jun. 28 (SMM) – Traded prices for spot tin in Shanghai were mainly at RMB 138,000-139,000/mt Thursday morning, with a few deals done at RMB 137,500-137,800/mt, with trading still light. In the afternoon, the increase in LME tin prices shored up market sentiment, with goods quoted below RMB 138,000/mt rarely seen, purchases of downstream buyers and traders improved slightly.