Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	23.07	23.36	22.94	23.07	36,504,628	+0.05(+0.21%)
May 27, 2010	22.54	23.05	22.44	23.02	44,666,964	+0.82(+3.70%)
May 26, 2010	21.90	22.49	21.80	22.20	2,332	+0.25(+1.12%)
May 25, 2010	21.43	21.96	21.29	21.95	2,190	+0.14(+0.63%)
May 24, 2010	21.82	22.12	21.64	21.81	19,423,554	-0.12(-0.56%)
May 21, 2010	21.36	22.01	21.25	21.94	37,243,340	+0.02(+0.07%)
May 20, 2010	22.07	22.29	21.74	21.92	3,936	-0.41(-1.85%)
May 19, 2010	22.05	22.52	21.96	22.33	30,929,212	+0.18(+0.83%)
May 18, 2010	22.57	22.59	22.11	22.15	1,387	-0.29(-1.31%)
May 17, 2010	22.54	22.63	22.03	22.44	22,507,146	-0.07(-0.30%)
May 14, 2010	22.51	22.83	22.37	22.51	30,826,100	-0.29(-1.29%)
May 13, 2010	23.06	23.11	22.67	22.81	21,399,368	-0.34(-1.45%)
May 12, 2010	23.26	23.31	22.89	23.14	27,877,282	+0.20(+0.87%)
May 11, 2010	23.14	23.30	22.85	22.94	7,926	-0.51(-2.16%)
May 10, 2010	23.59	23.62	23.20	23.45	34,232,632	+0.52(+2.27%)
May 07, 2010	23.22	23.43	22.56	22.93	38,610,968	-0.60(-2.56%)
May 06, 2010	23.52	24.36	21.02	23.53	1,913	-0.41(-1.73%)
May 05, 2010	24.24	24.40	23.89	23.94	31,344,100	-0.57(-2.33%)
May 04, 2010	24.37	24.89	24.37	24.52	6,397	+0.37(+1.53%)