The Vanguard US Total Stock Market Index Fund rallied 6.3%, leading a widespread rally in global assets. Click to read.

Other major names joining the S&P MidCap 400 include ... Top stocks being exited from the index include Werner Enterprises (NASDAQ:WERN), PENN Entertainment (NASDAQ:PENN), and Hertz Global ...

Many investors consider one of the major indexes ... The purpose of the index is "to reflect the performance of all publicly traded U.S. equity securities that have readily available prices." ...

The blockbuster stock market performance this year owes much to ... that are disproportionately reflected in the gains of major indices weighted toward the biggest firms. Analysts differed ...