Three-month composite trading closing support resistance at 14th RSI on the 10th MA 30th MA on copper 3,077.00 * 3000 * 3100 * 68 * 2981 * 3018 aluminum 1,857.00 * 1840 * 1860 * 67 * 1818 * 1815 Reuters London December 21 Electricity - Traders and analysts said that the London Metal Exchange (LME) copper futures aluminum is expected to rise on Tuesday, the light market conditions before the end of the year will magnify the volatility. Traders said technical graphics show copper and aluminum are still on the file In the short term, copper is expected to challenge the high of $3,175 hit in October. The continued weakening of the dollar is expected to support the price of metal denominated in US dollars. Standard Bank London analyst Balr said that "optimistic fundamentals and technical aspects continue to support the base metals. Speculators continued to hold long positions and prompted CTAs to cover up short positions. Metals analyst McMillan said, "Bronze futures broke the resistance at $3,045/50 and tested the $3,075/80 area. If you close above this level, you will look at the 3,145/50 area, followed by the period high of 3,175/80." "Aluminium closed above the key resistance at $1,835/40, looking at the 1,875/80 area, but the first resistance level At 1,855/ 60. "At 0746 GMT, the three-month copper was at US$3,076/81 per ton, which was slightly lower than the closing price of composite transactions on Monday evening. The three-month aluminum was quoted at US$1,857/1,860, which was in line with Monday's evening closing composite trading.