Happiness has returned

Old fans, can't you think bigger? Get to 4800

Don't always think that shorting at high points and going long at low points can make money; those who do short-term trading only have one way to go: dead end

Let me ask you, where is the high point? And where is the low point? Shorting at high points and going long at low points will only lead you to chase highs and sell lows.