Robert Hum is the Markets Producer at CNBC.
In three months, Facebook has underperformed all other stocks on the three major indexes and lost $50 billion in market cap.
Precious metal prices have fallen sharply from last yearâ€™s highs, but that certainly won't dampen Olympic athletes' spirits when they receive the prized medals in London.
Something unusual happened last week.
Since 1950, September is the worst performing month for the S&P 500 index.
Here's how to tell if excessive shorting will result in a reversal known as a short squeeze.
While U.S. indexes suffer from the dog days of summer, emerging markets look to be on a tear.
The Dow shattered through the 17,000-mark Thursday for the first time ever. So far this year, however, the index has been left behind.