Futures Market: During the overnight session, the most-traded alumina 2505 futures contract opened at RMB 3,195 per tonne, reached a high of RMB 3,206 per tonne, a low of RMB 3,181 per tonne, and closed at RMB 3,197 per tonne, down RMB 8 per tonne or 0.24 per cent, with an open interest of 201,000 l ...