[brief Review of SMM Tin] the overall center of gravity of Shanghai tin moves downward and is supported by the 20-day moving average.

SMM, July 23:

The main 2009 contract of tin in Shanghai opened at 142790 yuan / ton last night, which was affected by Sino-US relations. The bulls left the market in the mood of risk aversion after the opening, and the tin concussion in Shanghai stock market fell to around 142000 yuan / ton, followed by horizontal concussion and a late jump to close at 141230 yuan / ton. It opened at 141230 yuan / ton in the morning, then the bulls left the market, jumped to the lowest point of the day, 140450 yuan / ton, rebounded after hitting the bottom, the bulls continued to leave before noon, the center of gravity moved down again, briefly swung across the market, and closed slightly higher at 140450 yuan / tonne, showing a negative line, down 1550 yuan / ton, down 1.09%, 37693 hands, 23622 positions, 3116 hands, and the physical part slightly broke through the 5-day and 10-day moving average. The lower shadow line is supported by the 20 moving average, and the lower support level is expected to be near the 20-day moving average of 140500 yuan / ton.