很多时候,投资者很难放弃一段正在亏钱的行情,但却很容易在一段有5%In the market of profit, profit is gained0.5%And the ending. This is the biggest drawback driven by the devil of investor trading psychology, and it is also the result of a lack of thorough dialectical analysis of the market situation. Over the years, even if there are gains and losses, the probability of ultimate returns is likely to be negative.