The fluctuations observed during the day:

===============================================================================
                                  Current Session                     Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol     Set
===============================================================================
May'15    66.99   67.03   64.64   66.85   14:44   66.85   -1.27       8   68.12
                                         May 01
Jul'15    67.99   68.13   65.72   66.61   14:44   66.61   -1.27   24585   67.88
                                         May 01
Oct'15    66.60   66.60   65.37   66.30   14:44   66.30   -0.53       7   66.83
                                         May 01
===============================================================================