Worried a stock-market bubble could affect your retirement portfolio? Here’s what you can do
Open this photo in gallery: Right now, the top 10 U.S. companies make up nearly a quarter of the global equity market.ANGELA WEISS/AFP/Getty Images Oh, hi and happy Halloween! There are few spookier things than a stock-market bubble. But are we actually in one? Let’s unpack it. Fire burn and cauldron (stock market) bubble If…