The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Jul'15   64.17   64.81   63.71    64.15    14:45    64.15  -0.20   23852    64.35
                                           May 20
Oct'15   65.47   65.96   65.47    65.96    14:45    65.96   0.06      39    65.90
                                           May 20
Dec'15   64.84   65.45   64.50    64.97    14:45    64.97   0.14    6228    64.83
                                           May 20
=================================================================================