The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Oct'12   69.50    70.03   69.50   70.03   14:30   70.03     0.51     8    69.52
                                         September 27
Dec'12   71.49    71.59   70.46   71.53   14:30   71.53     0.51   19519  71.02
                                         September 27
Mar'13   72.39    72.56   71.50   72.49   14:30   72.49     0.51    3868  71.98
                                         September 27
===============================================================================