LME copper and aluminum futures are expected to fluctuate repeatedly on Wednesday, October 13, after having fallen sharply in the Asian market in early trading, but technical charts suggest that buying may take place. Copper futures fell about 45 U.S. dollars in the Asian market in early trading and was suppressed by a new round of profit-taking by Chinese traders. Copper hit a 16-year high of 3,177.50 U.S. dollars per ton on Monday. However, tight supply in the spot market has limited the downshift area. An Asian trader said, “This is really a crazy market. There are always buying and selling, and the market is following the trend in Shanghai.†Shanghai copper fell across the board on Wednesday. The main contract 0501 fell by 390 yuan to 28,470 yuan per ton. A strike by the world’s largest copper producer, a company owned by Chile’s state-owned copper company Codelco, could lead to supply disruptions, which threatened the market. The company resumed negotiations with strikers on Tuesday. Copper, traders and analysts, said that despite the pressure on the market, the daily chart shows potential for growth. McGellan, the base metals analyst at Peking International, pointed out that "the performance of copper on Tuesday made the relative strength index (RSI) return to the neutral region, while the short-term moving averages deviated, and the market may re-accumulate upward momentum with a target of 3,175/80. In the US dollar zone, the support for the lower gear zone is at US$3,035/30.†At 0653 GMT, LME’s three-month copper was quoted at US$3,140 per tonne, unchanged from Tuesday’s closing price. Triland Metals, the LME circle trader, also said that the copper market may resume rising momentum in the short term. Aluminum - McMillan said that the aluminum support at 1,840/35 US dollars per ton, if it falls below this level, the next will try 1,820/15 US dollars area. At 0653 GMT, three-month aluminum reported at $1,818/23 per tonne, which is lower than Tuesday's closing price. Triland said it may fall to 1,810 US dollars per ton.