Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	23.05	23.35	22.92	23.05	36,521,916	+0.05(+0.21%)
May 27, 2010	22.53	23.04	22.43	23.01	44,688,116	+0.82(+3.70%)
May 26, 2010	21.88	22.48	21.79	22.19	2,333	+0.25(+1.12%)
May 25, 2010	21.42	21.95	21.28	21.94	2,191	+0.14(+0.63%)
May 24, 2010	21.81	22.11	21.63	21.80	19,432,752	-0.12(-0.56%)
May 21, 2010	21.35	22.00	21.24	21.93	37,260,976	+0.02(+0.07%)
May 20, 2010	22.06	22.27	21.73	21.91	3,938	-0.41(-1.85%)
May 19, 2010	22.04	22.51	21.95	22.32	30,943,860	+0.18(+0.83%)
May 18, 2010	22.56	22.58	22.10	22.14	1,388	-0.29(-1.31%)
May 17, 2010	22.53	22.62	22.02	22.43	22,517,806	-0.07(-0.30%)
May 14, 2010	22.50	22.82	22.36	22.50	30,840,698	-0.29(-1.29%)
May 13, 2010	23.05	23.10	22.66	22.79	21,409,502	-0.34(-1.45%)
May 12, 2010	23.25	23.29	22.88	23.13	27,890,484	+0.20(+0.87%)
May 11, 2010	23.13	23.29	22.84	22.93	7,930	-0.51(-2.16%)
May 10, 2010	23.57	23.61	23.19	23.44	34,248,844	+0.52(+2.27%)
May 07, 2010	23.21	23.42	22.55	22.92	38,629,252	-0.60(-2.56%)
May 06, 2010	23.51	24.35	21.01	23.52	1,914	-0.41(-1.73%)
May 05, 2010	24.23	24.39	23.88	23.93	31,358,944	-0.57(-2.33%)
May 04, 2010	24.36	24.88	24.36	24.51	6,400	+0.37(+1.53%)