In terms of crude oil, it fell in the early morning and pulled back in the morning. The market that fell in the early morning generally looked like a continuation. After the start of the European market, the market did not continue its trend and still maintained the range trend. The specific operation is also the obvious upper section pressure 53.7 below the support line 51.95 position. The specific operation 53.25 position selects the sell signal, and the 52.20 position selects the buy signal.