Their sexual orientation is all investment varieties. The difference is that the stock is a one-way operation, and it can only rise to make money after buying; The fund entrusts others to invest, that is, experts manage money, and they have to pay management fees, but they will also lose money (stock funds); The yield of bonds is relatively stable, but attention should be paid to the rating of bonds, and the risk is relatively small; Options and futures are both leveraged operations, but options take a long time and futures are faster.