The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
           Open    High     Low    Last    Time     Set     Chg     Vol       Set
=================================================================================
Mar'15    57.40   58.79   57.26   58.62   14:20     58.62   1.32    20389   57.30
                                          January 26
May'15    58.20   59.58   58.18   59.45   14:20     59.45   1.25     8909   58.20
                                          January 26
Jul'15    59.15   60.42   59.07   60.30   14:20     60.30   1.19     2996   59.11
                                          January 26
=================================================================================