Though everything appears to be going swimmingly for the U.S. economy and stock market, looks can be deceiving.

Wall Street traders have been known to joke that the longest river in the emerging-market economies is “de-nial.” But given the irrational exuberance gripping the U.S. stock market — which has been ...

Mr. Malkiel is an American economist and financial executive. His 50-year-old book, “A Random Walk Down Wall Street,” is widely credited with popularizing stock index funds. Stock markets regularly go ...

In recent forecasts, Vanguard projects the stock market will rise by only 3.3% to 5.3% a year over the next decade. Morningstar sees U.S. stocks gaining 5.2% a year. Goldman Sachs forecasts the broad ...