The characteristics of multiple surges and corrections indicate a good temperament and volatility. If such a variety experiences a significant surge recently, it's equivalent to frontline capital entering; although there may be corrections, once the emotional resonance rises, this variety will quickly explode.
Never place funds into mediocre varieties, as the fluctuations in the past two years have only been a few dozen points, which can be exhausting. We must avoid believing in value investing in an extremely speculative market.
Selling high and buying low is always correct, but chasing gains and cutting losses can easily lead to mistakes.