The LME commented on September 22 that the base metals broke short-term technical corrections on Wednesday afternoon and resumed this week’s gains and set a new high. “The trading in the afternoon became active again in the afternoon and speculators are actively buying,†a trader said. Aluminum futures and copper futures hit a five-month high, while lead and zinc futures also performed brightly, once rising to seven-month highs and six-week highs, respectively. Although the market seems to be overbought, the rising positive sentiment keeps the upside momentum intact. Occasional surges in stocks are considered to have a short-term effect, and almost all markets have a trend of falling stocks and reverse prices. “Investors do not currently all go short, so this wave of decline may seem short, especially after the re-appeared buying.†The trader said. Copper: The three-month copper movement fluctuated, hitting a high of 2,940 in the overseas market before falling below 2,900, and rebounded in the evening market. Copper finished higher at the end of 15 dollars, to 2,915 yuan per ton. "The copper will need to close above $2,900 and it will do so copper is expected to challenge 2,940/2,950 again," the trader said. Analysts said North American copper producer Asarco’s labor contract negotiations have reached an impasse, supporting the period price. Asarco, a subsidiary of Grupo Mexico, the third largest copper producer in the world, produces about 150,000 tons of refined copper each year. Aluminium: Three-month aluminum rose to 1,810 dollars, up 8 dollars. It fluctuates around 1,800.