The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Dec'12   72.38    73.50   72.18   72.73   14:45   72.73     0.06  19458   72.67
                                         October 25
Mar'13   72.50    73.55   72.40   72.97   14:45   72.97     0.45   6667   72.52
                                         October 25
May'13   74.04    74.43   73.55   74.16   14:45   74.16     0.49   676    73.67
                                         October 25
===============================================================================