Earlier quoted context omitted.
> Understand the market, understand the product and technology well, and you can do significantly better than any wall street analyst. Don't rush into it, but do your research. Look at the numbers and the growth potential. This is very dangerous advice because it just ain't true. Under efficient markets, you can do equally well as "any wall street analyst"
1. Markets aren't efficient. They're full of emotion and greed. They can be irrational. Just look at Brexit - even stocks that had zero exposure to the UK (directly or indirectly) sold off significantly. 2. Why would you assume you can't do better than an analyst, in your area of expertise? Someone who understands tech well will be able to make better tech investments, than, let's say, investments in mining. That see…
2. Honestly, the analysts got it wrong in their own area of expertise often enough that I don't think it makes sense to pretend they're oracles in comparison to anyone else.