If you want to improve your knowledge, it is useful to participate in stock training, and you can learn more.
If you want to make money in the stock market by participating in stock training, save it, because all the teachers who train you may not make money.
If you want to turn over, the bull market can naturally make money, even if you don't go to the training class.
But in a bear market, you'd better lie down honestly and don't expect to make a fortune in a bear market! Remembering these two points is more useful than attending a stock training class!