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Why do people invest in mutual fund rather than directly buying shares?
Buying the right shares gives higher return. Buying the wrong ones gives worse return, possibly negative. The usual recommendation, even if you have a pro advising you, is to diversify most of your investments to reduce the risk, even though that may reduce the possible gain. A mutual fund is diversification-in-a-can. It requires little to no active maintenance. Yes, you pay a management fee, but you aren't paying per-transaction fees every time you adjust your holdings, and the management costs can be quite reasonable if you pick the right funds; minimal in the case of computer-managed (index) funds. If you actively enjoy playing with stocks and bonds and are willing/able to accept your failures and less-than-great choices as part of the game, and if you can convince yourself that you will do better this way, go for it. For those of us who just want to deposit out money, watch it grow, and maybe rebalance once a year if that, index funds are a perfectly good choice. I spend at least 8 hours a day working for my money; the rest of the time, I want my money to work for me.  Risk and reward tend to be proportional to each other; when they aren't, market prices tend to move to correct that. You need to decide how much risk you're comfortable with, and how much time and effort and money you're willing to spend managing that risk. Personally, I am perfectly happy with the better-than-market-rate-of-return I'm getting, and I don't have any conviction that I could do better if I was more involved. Your milage will vary. If folks didn't disagree, there wouldn't be a market.