SHANGHAI, Jun. 19 (SMM) –On Monday, SHFE 1709 tin opened at RMB 145,330/mt, and moved all the way down to RMB 143,750/mt. Finally, the most active contract ended down RMB 950/mt or 0.65% at RMB 144,440/mt. Trading volumes increased 5,966 lots to 21,724 lots, and positions decreased 1,522 lots to 19,834 lots. SHFE 1709 tin will fall further to test support at RMB 142,500/mt in the short term.