Based on your question I assume you are a private retail investor, pretty much same like me and millions of others. This is not an insult but would you know how Wall Street refers to us in general? Dumb money. As compared to: smart money, which are institutionalised and professional investors.
Now, the average long term compound annual growth rate for private retail investors is about 2.3%. Yes, that's pretty bad. But how come? There is consensus this underperformance is based to a very high degree on market timing and market picking.
My 2 cent: 1) buy only shares of high qual