The fluctuations observed during the day:.

==============================================================================
           Open    High    Low    Last    Time    Set    Chg     Vol       Set
==============================================================================
May'12    88.18    89.16  87.01   88.00   14:30  88.00  -0.80  11966     88.80
                                        Mar 12
Jul'12    88.05    90.00  88.05   88.93   14:30  88.93  -0.81   6457     89.74
                                        Mar 12
Oct'12    90.55    90.66  90.55   90.82   14:30  90.82  -0.66      7     91.48
                                        Mar 12
==============================================================================