Silver valley and golden valley are two very important concepts in the theory of moving average. First look at Yingu: Yingu: In the initial stage of rebound, it refers to the sharp triangle formed by the intersection of the 5-day (or short-term) moving average and the 10-day (or medium-term) moving average, and the 30-day (or long-term) moving average and the medium-term moving average. It's like a valley. The valley that first appeared after a long decline was called Silver Valley. Technical meaning: bottom signal. Silver Valley is a buying point for radical investors. Look at the golden valley again: after the three moving averages cross to form the silver valley, they cross again to form an irregular triangle with an upward tip. If the position of this triangle is close to or higher than that of the Silver Valley, then this triangle is called the Golden Valley. Technical meaning: Do multi-signal. The farther away the Golden Valley is from the Silver Valley, the higher its position and the greater its rising potential. Jingu is the second price support given after the market transaction. This is the buying point for prudent investors. Once it appears, it is necessary to buy boldly and start to rise rapidly.