The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Jul'15   64.00   64.00   62.80    63.32    14:20   63.32   -0.76     4082   64.08
                                           Jun 19
Oct'15   66.12   66.12   64.73    65.06    14:20   65.06   -0.82       12   65.88
                                           Jun 19
Dec'15   64.66   64.75   63.50    63.90    14:20   63.90   -0.82    12961   64.72
                                           Jun 19
=================================================================================