ETF’s special type of transactional fund variety has become the “most volume” and “most arrogant” channel in recent years. The so-called ETF is a fund to track changes in the “marking index” and to market transactions on securities exchanges. Investors may simply sell their shares to ETF, the “marking index”, which is generally the same rate of remuneration. However, it is difficult for investors to compare ETF products and equity A companies, and it is difficult to understand the real busine...