la volatilité des actions srd

Libellé		Cours	Var. %	+ Haut	+ Bas	Volat.	Volat. anormale
	SOPRA GROUP	58.000	+7.21%	58.000	54.010	7.35%	3.56
	REXEL	12.410	+6.20%	12.500	11.690	6.93%	3.25
	CAP GEMINI	38.835	+5.73%	39.170	37.030	5.78%	3.09
	DASSAULT SYSTEMES	46.705	+2.09%	47.610	45.780	3.99%	3.02
	BUREAU VERITAS	42.000	+3.72%	42.225	40.535	4.17%	2.96
	ATOS ORIGIN	39.415	+4.36%	39.860	37.820	5.39%	2.26
	NYSE EURONEXT	24.110	+2.12%	24.455	23.220	5.26%	2.05
	GROUPE STERIA	25.125	+4.19%	25.400	24.250	4.74%	2.01
	LAGARDERE S.C.A.	32.655	+2.43%	32.955	31.860	3.43%	1.79
	ALTEN	21.650	+3.10%	21.750	20.940	3.86%	1.77
	ESSILOR INTL.	46.020	-1.03%	46.800	45.900	1.93%	1.76
	ORPEA	32.875	-1.22%	33.280	32.400	2.64%	1.71
	GEMALTO	33.070	-1.99%	33.740	32.815	2.74%	1.68
	IPSEN	37.150	+2.91%	37.165	36.240	2.55%	1.66
	MANITOU BF	12.480	+3.23%	12.490	11.880	5.13%	1.63
	APRR	57.040	+2.31%	57.040	55.050	3.60%	1.61
	KAUFMAN ET BROAD	19.000	+1.66%	19.380	18.505	4.70%	1.57
	SEQUANA	11.105	+2.35%	11.300	10.705	5.46%	1.49
	SODEXO	44.120	-0.85%	44.530	43.555	2.19%	1.40
	BOUYGUES	39.980	+2.83%	40.000	39.040	2.46%	1.40
	SECHE ENVIRONNEM.	55.330	+1.52%	55.810	54.510	2.36%	1.39
	SCHLUMBERGER	49.280	+3.03%	49.310	48.100	2.50%	1.36
	BOLLORE	133.000	+2.03%	133.350	130.350	2.30%	1.36
	PERNOD RICARD	65.890	-0.93%	66.930	65.750	1.77%	1.36
	CANAL +	6.000	+0.84%	6.000	5.920	1.34%	1.35
	BENETEAU	13.150	+1.04%	13.320	12.860	3.45%	1.33
	BNP PARIBAS ACT.A	57.600	+1.55%	57.930	56.430	2.65%	1.24
	LVMH	90.390	+0.38%	91.420	89.490	2.13%	1.24
	CFAO	28.100	-1.92%	28.845	28.100	2.58%	1.21
	STALLERGENES	62.030	+2.53%	62.040	60.540	2.48%	1.21