sell signal

例句：

1. 1.The stock market is showing a sell signal, indicating a potential downturn.
   股市显示出卖出信号，预示着潜在的下跌。
2. 2.The company's stock price has been falling since the sell signal was issued.
   自从发出卖出信号以来，公司的股价一直在下跌。
3. 3.The analyst believes that the sell signal is due to a short-term profit-taking strategy.
   分析师认为卖出信号是由于短期获利了结策略导致的。