The shrinkage rate is adjusted back. The shrinking callback shows that the main force is just washing dishes, and the volume of transactions can't fool people. However, the shrinkage callback should be established when the stock price is in the middle and low position. If it is in a high position, it may be that no one takes over, and when no one takes over, it will also shrink and adjust. Then, the volume of the big Yinxian line continues to fall. Volume callback, the stock price is basically in the middle and high level. The heavy volume shows that changing the dealer's left hand or changing the dealer's right hand is to scare the retail investors away. At this time, there will basically be a slight decline, then stand firm below, and then slowly choose the direction. Generally speaking, callback shrinkage is good. There are risks in entering the market, so please invest carefully.