Higher prices and lower volatility lead U.S. companies to issue the most new shares in six years.

U.S. equities are valued at 16 times earnings, 14 percent higher than a year ago. Bears see this as an sign the market is about to head downward.

U.S. equities are valued at 16 times earnings, 14 percent higher than a year ago. Bears see this as an sign the market is about to head downward.

MSCI says it may reclassify Greek stock market from developed to emerging.

MSCI says it may reclassify Greek stock market from developed to emerging.

Spain bars short sales of all stocks for three months.

Spain bars short sales of all stocks for three months.

Big swings leave index facing smallest annual change since 70.