And the fund is an investment fund, so the risk of the fund is lower than that of the stock, but the income is not as high as that of the stock.
There is also a fund called money fund. It also invests in some currencies.
Stock delivery is mainly at T+ 1.
So relatively speaking, the risk from high to low is to speculate in foreign exchange, stocks and funds.
The return is the opposite.
You can leave me a message if you don't understand anything.
The question is in the question supplement!