"Buy the dip" sounds like smart investing — wait for prices to fall, then pounce. But 60 years of evidence reveals the strategy underperforms passive investing more than 60% of the time. Here's why waiting for the perfect moment costs more than it saves.
S&P 500 concentration risk is at historic highs. If you own a global tracker, your portfolio may be far less diversified than you think. Here's what you can do about it.
