Looking at the style of funds in fund companies, each fund buys a dozen or dozens of stocks or bonds at the same time, so the decline of a single stock will not fall in a large area at the same time, so the fund is smaller than the stock, but more stable.
In terms of risk, for example, the difference between elevators and elevators: stocks are elevators, and the ups and downs are straight lines, and the risks are relatively large, ups and downs; Funds are like you going upstairs and downstairs, with less income and less risk.
The first index fund in the world appeared in the United States 197 1. It is a fund product launched by Weaver Bank to institutional investors, and the tracking targ