Best & Worst of the Nifty Index: A historical 'views'

Best of performance in Nse Nifty are tabulated herein below:-

Date	Open	High_Low	Open-Close	OC/Open
21-Jan-08	5705.00	727.90	496.20	8.70
24-Oct-08	2936.25	411.20	352.25	12.00
22-Jan-08	5203.35	754.85	304.05	5.84
3-Mar-08	5222.80	286.75	269.80	5.17
6-Jul-09	4429.60	346.10	263.90	5.96
11-Feb-08	5120.55	322.80	263.55	5.15
17-Dec-07	6037.95	299.35	260.95	4.32
18-May-06	3636.45	270.55	247.55	6.81
13-Mar-08	4868.70	288.65	245.10	5.03
17-Mar-08	4745.45	263.35	242.35	5.11
10-Oct-08	3502.05	303.10	222.10	6.34
21-Nov-07	5778.80	259.20	217.75	3.77
6-Oct-08	3817.30	239.25	214.95	5.63
11-Nov-08	3147.20	227.75	208.55	6.63
31-Mar-08	4942.15	243.15	207.65	4.20
18-Jan-08	5907.75	231.75	202.45	3.43
18-Oct-07	5551.10	467.15	200.10	3.60
17-Oct-08	3269.05	289.35	194.70	5.96
17-May-04	1582.50	291.60	193.75	12.24
7-Jan-09	3112.80	259.00	192.40	6.18
17-Aug-09	4578.80	204.20	190.90	4.17
7-Feb-08	5322.55	230.75	189.30	3.56
16-Aug-07	4366.00	194.85	187.40	4.29
2-Apr-07	3820.00	203.00	186.40	4.88
1-Aug-07	4528.85	193.15	183.00	4.04
15-Oct-08	3517.90	193.95	179.50	5.10
27-Jun-08	4315.30	196.10	178.65	4.14
15-Jul-08	4039.30	205.20	178.20	4.41
24-Jan-08	5208.00	361.40	174.55	3.35
27-Jul-07	4618.65	194.65	173.45	3.76
22-May-06	3254.30	417.50	172.95	5.31
22-Oct-08	3234.70	183.95	169.55	5.24
3-Jul-08	4094.60	222.50	168.85	4.12
27-Feb-12	5448.10	181.65	166.90	3.06
5-Nov-08	3155.75	269.55	160.80	5.10
17-Jun-09	4515.35	185.00	159.20	3.53
15-Sep-08	4231.95	281.85	159.05	3.76
9-Dec-10	5924.25	185.00	157.75	2.66
20-Jun-08	4504.20	198.40	156.65	3.48
27-Jan-10	5008.50	175.45	155.40	3.10
16-Nov-10	6143.45	173.45	154.75	2.52
8-Jun-09	4582.35	206.75	152.45	3.33
15-Jan-08	6226.35	207.15	152.10	2.44
5-Mar-07	3726.50	172.15	150.00	4.03

Best day was 'quantumwise' 21st January 2008 and percentagewise was 12.24% rise 17th May 2004. Surprisingly, there were four days when it is FLAT as

Date Open High_Low Open-Close OC/Open
4-Sep-01 1048.20 9.95 0.00 0.00
1-Nov-02 951.45 10.55 0.00 0.00
13-Aug-04 1598.20 21.10 0.00 0.00
2-Aug-07 4356.35 72.75 0.00 0.00

Of the four , 02nd Auhust 2007 was flat in spite of interday flactuation of 72.75. But more disturbing were these falls of over 150 points detailed :

Date Open High_Low Open-Close OC/Open
2-Apr-09 3061.05 167.70 -150.00 -4.90
23-Dec-09 4990.05 160.55 -154.55 -3.10
28-Oct-08 2526.20 169.75 -158.40 -6.27
3-Nov-08 2885.40 176.65 -158.45 -5.49
27-May-09 4117.30 171.20 -158.75 -3.86
13-Apr-11 5747.95 188.05 -163.55 -2.85
15-Jun-06 2634.10 180.05 -164.70 -6.25
9-Jul-08 3990.90 178.50 -166.20 -4.16
10-May-10 5026.60 176.70 -167.00 -3.32
10-Nov-08 2973.30 187.95 -174.95 -5.88
4-May-09 3478.70 185.80 -175.30 -5.04
1-Feb-08 5140.60 249.20 -176.65 -3.44
19-Sep-07 4550.25 188.75 -182.10 -4.00
31-Oct-08 2696.30 225.05 -189.30 -7.02
29-Oct-07 5708.90 213.60 -197.00 -3.45
2-Jul-08 3895.30 258.90 -198.05 -5.08
19-Sep-08 4040.80 221.85 -204.45 -5.06
24-Dec-07 5771.30 229.75 -213.80 -3.70
13-Oct-08 3272.90 237.30 -217.80 -6.65
23-Jul-08 4246.70 244.85 -230.10 -5.42
14-Nov-07 5703.95 250.15 -233.95 -4.10
15-Oct-07 5428.35 262.75 -242.05 -4.46
14-Feb-08 4944.65 275.60 -257.35 -5.20
25-Mar-08 4616.80 280.00 -260.70 -5.65
9-Oct-07 5062.65 347.75 -264.60 -5.23
23-Oct-07 5185.30 311.65 -288.40 -5.56
23-Jan-08 4903.05 436.45 -300.35 -6.13
25-Jan-08 5035.05 364.20 -348.30 -6.92
18-May-09 3673.15 711.15 -650.00 -17.70

18th May 2009 remains worst performing day both quantumwise & percentage terms.