Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	25.39	25.49	25.32	25.37	16,743,459	-0.02(-0.08%)
May 23, 2011	25.23	25.45	25.20	25.39	18,313,596	-0.11(-0.43%)
May 20, 2011	25.72	25.79	25.39	25.50	16,464,757	-0.22(-0.86%)
May 19, 2011	25.87	25.91	25.56	25.72	16,522,947	-0.14(-0.53%)
May 18, 2011	25.63	25.89	25.54	25.86	18,867,868	+0.21(+0.83%)
May 17, 2011	25.59	25.69	25.25	25.65	29,640,652	-0.02(-0.08%)
May 16, 2011	25.50	25.85	25.46	25.67	27,243,064	+0.15(+0.59%)
May 13, 2011	25.48	25.67	25.36	25.52	16,743,058	-0.08(-0.32%)
May 12, 2011	25.25	25.65	25.17	25.60	23,131,922	+0.39(+1.56%)
May 11, 2011	25.30	25.43	25.10	25.21	17,285,644	-0.10(-0.38%)
May 10, 2011	25.15	25.32	25.12	25.30	13,959,483	+0.20(+0.80%)
May 09, 2011	24.85	25.17	24.84	25.10	15,599,086	+0.06(+0.25%)
May 06, 2011	25.14	25.29	24.97	25.04	18,582,376	+0.10(+0.39%)
May 05, 2011	25.08	25.21	24.89	24.94	23,967,504	-0.21(-0.85%)
May 04, 2011	25.02	25.29	24.96	25.16	25,303,038	+0.10(+0.41%)
May 03, 2011	24.94	25.21	24.82	25.05	25,753,122	+0.07(+0.28%)