The fluctuations observed during the day:

==============================================================================
           Open    High    Low    Last    Time    Set    Chg     Vol      Set
==============================================================================
Mar'12     98.39   99.44  98.06  99.37    14:30  99.37  0.77     9072    98.60
                                        Jan 23
May'12     97.55   99.50  97.55  99.46    14:30  99.46  0.83     4639    98.63
                                        Jan 23
Jul'12     98.18   99.42  97.91  99.37    14:30  99.37  1.10     2453    98.27
                                        Jan 23
==============================================================================