If things seem too good to be true on Wall Street, history shows they probably are.

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 ...

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 ...

The stock market is running high. Too high, some analysts say. A number of Wall Street observers warn the stock market may have entered "bubble" territory. It’s an analogy to the overhyped markets of ...