The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Mar'13   73.41   74.99    73.37   74.90   14:45   74.90      1.50  10014  73.40
                                         December 11
May'13   74.62   75.84    74.31   75.79   14:45   75.79      1.44  1910   74.35
                                         December 11
Jul'13   75.50   76.66    75.29   76.63   14:45   76.63      1.37   493   75.26
                                         December 11
===============================================================================