The Standard & Poor's 500 Index retreated the most in two weeks as Federal Reserve Chairman Ben S. Bernanke said the central bank may reduce bond purchases later this year as the economy strengthens.

THOMSON REUTERS, Jun 19, 2013 - Diary of S&P 500 Corporate earnings for U.S. companies month ahead. S&P 500 Earnings - Weekly S&P 500 Earnings - Day Ahead Non S&P 500 - Weekly Non S&P 500 - Day Ahead ConferenceCall/Webcast - Weekly ...

More than $500 billion wiped off the value of U.S. stocks is providing opportunities for investors who remember that equities tend to rise when the Federal Reserve begins reducing efforts to stimulate the economy.

Another illustrative example is the S&P MidCap index which essentially takes the S&P 500 index and �tosses out� the biggest 100 companies so as to focus solely on the 400 smaller �up-and-comers� (which in the right environment can outperform their ...

The forward earnings of all three S&P market-cap indexes rose to record highs again last week. On a year-over-year basis, forward earnings for the S&P 500, S&P 400 and S&P 600 are up 5%, 7.7% and 9.3%, respectively. That's provided the underlying ...

SAN FRANCISCO (MarketWatch) - Energy stocks rose Monday, following the broader U.S. stock market on a rally ahead of this week's Federal Open Market Committee meeting.

Margin debt is about 29 percent higher than it was a year ago, and the S&P 500 (INDEXSP:.INX) has risen by more than 20 percent since last fall.

After the close of trading Friday, the S&P 500 will include Pfizer spinoff Zoetis (NYSE: ZTS ) . The stock replaces First Horizon National (NYSE: FHN ) , which is to find a new home on the S&P MidCap 400.

USA TODAY markets reporter Matt Krantz answers a different reader question every weekday. To submit a question, e-mail Matt at mkrantz@usatoday.

SAN FRANCISCO (MarketWatch) - Netflix Inc. rallied over 7% on Monday, closing out the session as the best stock in both the S&P 500 and the Nasdaq 100, on the back of a programming deal with DreamWorks Animation SKG Inc.