[SMM aluminum futures brief comment: Macroeconomics and fundamentals are bearish, Shanghai aluminum futures weakens during the day] Shanghai aluminum futures contract 2408 opened at 20,430 yuan/ton today, with an intraday high of 20,470 yuan/ton and a low of 20,305 yuan/ton. It closed at 20,360 yuan/ton, down 0.95% from the previous day. Trading volume decreased by 4,005 contracts to 158,000 contracts, with open interest at 202,000 contracts. Today, LME three-month aluminum futures opened at $2,510.5/ton, showing wide fluctuations on the chart. As of 18:00 Beijing time, LME aluminum futures closed at $2,504/ton, down $9.5/ton from the previous day...