The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Oct'12    75.33   75.38   74.94   74.98   14:30   74.98     0.45     65   74.53
                                         September 18
Dec'12    75.30   76.45   75.07   76.02   14:30   76.02     0.69   14582  75.33
                                         September 18
Mar'13    75.80   77.13   75.80   76.81   14:30   76.81     0.73   1629   76.08
                                         September 18
===============================================================================