SHANGHAI, Aug. 7 (SMM) –On Monday, SHFE 1709 tin opened at RMB 148,920/mt. The contract fell to around RMB 147,000/mt, but then rallied, moving between RMB 147,800-148,000/mt in the afternoon. Finally, the most active contract ended down RMB 240/mt or 0.16% at RMB 147,990/mt. Trading volumes decreased 2,640 lots to 12,294 lots, and positions decreased 122 lots to 20,900 lots. SHFE 1709 tin will test support at RMB 146,000/mt and may rise to RMB 150,000/mt if it breaks through RMB 148,000/mt.