The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Dec'12   70.00    70.25   69.03   69.26   14:30   69.26     -0.57  17959  69.83
                                         November 08
Mar'13   71.25    71.45   70.02   70.34   14:30   70.34     -0.73  12997  71.07
                                         November 08
May'13   72.29    72.62   71.22   71.58   14:30   71.58     -0.64  1615   72.22
                                         November 08
===============================================================================