The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
Oct'16   72.69   74.00   71.76   74.16    14:20   74.16    1.14      46   73.02
                                         Jul 29
Dec'16   72.94   74.10   71.68   74.04    14:20   74.04    1.00   20840   73.04
                                         Jul 29
Mar'17   73.20   74.16   72.02   73.91    14:20   73.91    0.65    2328   73.26
                                          Jul 29
===============================================================================