According to the time cycle, Monday and Tuesday are the more suitable time to buy stocks in a week, because this time may play a certain decision-making role in the week's rally.

There are often Black Thursdays and Black Fridays in the stock market, because Thursday and Friday are usually the settlement date of stock futures or the restricted reason that you can't transfer money after selling stocks. There are usually stock markets like Thursday, but it is only a probability event, not all, and there are some differences between stocks. Need to analyze the specific situation.