The intention of the move is to make the weightings of stocks in the index more reflective of their actual market caps.

FORBES: Connect

Typically, when believers talk about previous secular bear markets, they measure using the Dow (a faulty, price-weighted index which makes returns fairly arbitrary and not reflective of economic reality), or they measure the Dow without dividends reinvested (which is really stretching reality).

FORBES: The Most Hated Bull Market Ever

The index found a 12 percent improvement in new car fuel economy, which is reflective of wholesale abandonment of V-8-powered SUVs and trucks in favor of four-cylinder compacts.

FORBES: Cars Now Getting Better Climate Grades