By the Numbers

Feb. 19: Unusual Volume Leaders

What follows is a look at stocks in the S&P 500 displaying unusual volume in today's trading session. 

Some of the highlights include: Smith International (SII), Apollo Group (APOL), Dell (DELL) and Intuit (INTU).

>> S&P Stocks Trading at New 52-Week Highs

Stocks Trading 50% Above Their 10-Day Avg.

Stocks Trading 50% Above Their 100-Day Avg.