The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Oct'15   67.11   67.64   67.02    67.64   14:45    67.64    -0.02       9   67.66
                                          August 21
Dec'15   66.97   67.00   66.27    66.91   14:45    66.91    -0.02   13726   66.93
                                          August 21
Mar'16   66.39   66.50   65.58    66.35   14:45    66.35     0.02    2465   66.33
                                          August 21
=================================================================================