Up chasing, down selling is a typical leek, leeks favorite is to chase up and kill down, when you convert your thinking into a fall to buy, up to sell proves that you have become a mature leek, of course, the premise is in the Bull Market, the Big Pie did not break through the previous high before it is still the time to pull back to buy, even if you encounter a temporary pullback after buying, bite your teeth and pass, you can't bear the pullback and you can't enjoy the rise