The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Jul'15   65.53   66.22   65.28    66.16    14:45   66.16    0.63   15489    65.53
                                           May 08
Oct'15   65.80   66.06   65.80    66.06    14:45   66.06    0.56       6    65.50
                                           May 08
Dec'15   65.41   66.00   65.10    65.94    14:45   65.94    0.51    5034    65.43
                                           May 08
=================================================================================