the fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Jul'12    73.65   75.33   72.45   72.80   14:30   72.80           10104       -
                                         May 29
Oct'12    72.95   72.95   72.60   72.71   14:30   72.71      -       19       -
                                         May 29
Dec'12    70.50   72.90   70.31   71.30   14:30   71.30      -     7199       -
                                         May 29
===============================================================================