Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	23.17	23.47	23.04	23.17	36,337,332	+0.05(+0.21%)
May 27, 2010	22.64	23.16	22.55	23.12	44,462,256	+0.83(+3.70%)
May 26, 2010	22.00	22.59	21.90	22.30	2,321	+0.25(+1.12%)
May 25, 2010	21.53	22.06	21.39	22.05	2,180	+0.14(+0.63%)
May 24, 2010	21.92	22.22	21.74	21.91	19,334,538	-0.12(-0.56%)
May 21, 2010	21.46	22.11	21.35	22.04	37,072,656	+0.02(+0.07%)
May 20, 2010	22.17	22.39	21.84	22.02	3,918	-0.41(-1.85%)
May 19, 2010	22.15	22.63	22.06	22.44	30,787,466	+0.19(+0.84%)
May 18, 2010	22.68	22.70	22.22	22.25	1,381	-0.30(-1.31%)
May 17, 2010	22.64	22.74	22.13	22.55	22,403,998	-0.07(-0.30%)
May 14, 2010	22.61	22.94	22.48	22.61	30,684,826	-0.30(-1.29%)
May 13, 2010	23.17	23.21	22.77	22.91	21,301,296	-0.34(-1.45%)
May 12, 2010	23.36	23.41	22.99	23.25	27,749,522	+0.20(+0.87%)
May 11, 2010	23.25	23.41	22.96	23.05	7,890	-0.51(-2.16%)
May 10, 2010	23.69	23.73	23.31	23.56	34,075,744	+0.52(+2.27%)
May 07, 2010	23.32	23.54	22.66	23.03	38,434,016	-0.61(-2.56%)
May 06, 2010	23.63	24.47	21.12	23.64	1,904	-0.42(-1.73%)
May 05, 2010	24.36	24.51	24.00	24.06	31,200,452	-0.57(-2.33%)
May 04, 2010	24.49	25.01	24.49	24.63	6,368	+0.37(+1.53%)