It was said last week that after the continuous over correction, the initial rebound of the general market often begins with a broad rally. If some investors are at a loss, ETF might be a better choice. The 50ETF (stock code 510050) clearly issued a buy signal today. Although many other ETFs have also issued buy signals, considering the activity of volume, the operation of 50ETF may be relatively safer. However, the investment in ETF pursues a kind of safe and stable income. Once you choose to intervene, never compare it with those short-term abnormal strong stocks. The amount of income is often proportional to the risk coefficient....