The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Oct'12   72.00    72.00   70.41   70.71   14:30   70.71    -1.39   9396   72.10
                                         October 11
Dec'12   72.75    72.75   71.26   71.40   14:30   71.40    -1.62   2701   73.02
                                         October 11
Mar'13   73.24    73.40   72.33   72.48   14:30   72.48    -1.57   495    74.05
                                         October 11
===============================================================================