The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
May'15   67.36   67.36   66.99    66.99    14:44   66.99    0.08       1    66.91
                                           May 05
Jul'15   66.68   66.93   66.11    66.75    14:44   66.75    0.08   13195    66.67
                                           May 05
Oct'15   66.46   66.52   66.46    66.52    14:44   66.52   -0.15       6    66.67
                                           May 05
=================================================================================