The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Oct'15   67.41   67.68   66.92    67.16   14:45    67.16    0.01      86    67.15
                                          August 14
Dec'15   65.78   66.51   65.25    65.95   14:45    65.95    0.16   43472    65.79
                                          August 14
Mar'16   65.25   65.99   64.67    65.46   14:45    65.46    0.47    6888    64.99
                                          August 14
=================================================================================