By the Numbers

March 17: 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: LSI (LSI), Citrix Systems (CTXS), Hartford Financial (HIG) and Vulcan Materials (VMC).

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

Stocks Trading 100% Above Their 10-Day Avg.

Stocks Trading 100% Above Their 100-Day Avg.