The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Oct'15   65.85   67.90   65.71    67.15   14:20    67.15    1.44     103    65.71
                                          August 13
Dec'15   64.75   66.51   64.09    65.79   14:20    65.79    1.10   48170    64.69
                                          August 13
Mar'16   64.00   65.64   63.59    64.99   14:20    64.99    0.90   10925    64.09
                                          August 13
=================================================================================