1. Dead bulls refer to stock investors who are optimistic about the stock market prospects. After buying the stock, if the stock price falls, they would rather keep it for a few years than sell it without making money.

2. Dead bear: refers to investors who always think that the money market is not good. Even if the money market is improving and the market price is rising, they are always afraid to hold money products.

3. In the stock market, investors who hold stocks are generally called bulls, those who don't hold stocks temporarily are called bears, those who buy stocks are usually called bulls, and those who sell stocks are called bears. Long, short, dead. It refers to being optimistic about the future of the stock market and buying stocks for a long time in order to obtain long-term rising returns, which is called "long-term": buying stocks that are optimistic in the short term, selling them after short-term maintenance, and obtaining some returns, and buying them again when there is a bullish situation next time, which is called "short-term". Investors who are always optimistic about the prospects of the stock market and are unwilling to sell their stocks no matter how the stock market falls are called "dead duo".