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Re:Stock-trading app Robinhood was rejected by 75 investors by tripletao on Sunday May 13, 2018 @07:13PM (#17061535)
An index fund would be yet more diversified, and that's one trade. Very few individual investors have any reason to believe they can pick stocks in a way that outperforms the market.

The zero fees might still be nice if you want e.g. to contribute every paycheck; but an old-fashioned Vanguard mutual fund would be just as good for that, or many brokerages have zero fees for specific classes of ETF. The only advantages that I'd see to Robinhood are (a) no minimums, and (b) pretty UX.

Re:Stock-trading app Robinhood was rejected by 75 investors by dmcy22 on Sunday May 13, 2018 @11:56PM (#17062562)
That's a fair point. I use Robinhood to diversify my porfolio so it's not just tracking against the market. So far, whether due to luck or skill, or both, it's been working out pretty well. So to put it another way, I don't see Robinhood as a replacement for the traditional brokerages (yet), but as a supplement.
Re:Stock-trading app Robinhood was rejected by 75 investors by peterbraden on Monday May 14, 2018 @06:11AM (#17064192)
A good reason would be dollar cost averaging. If you have a monthly transaction split across 3 index funds, you're over 30 trades per year.