The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Dec'12   72.95    73.19   72.21   72.42   14:30   72.42    -0.31  11149   72.73
                                         October 26
Mar'13   72.95    73.30   72.51   72.89   14:30   72.89    -0.08   5291   72.97
                                         October 26
May'13   74.11    74.33   73.63   74.07   14:30   74.07    -0.09    498   74.16
                                         October 26
===============================================================================