Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	22.18	22.81	22.15	22.39	35,398,300	+0.03(+0.12%)
Sep 29, 2011	22.15	22.47	22.06	22.36	28,199,532	+0.49(+2.25%)
Sep 28, 2011	22.14	22.37	21.83	21.87	21,629,620	-0.14(-0.62%)
Sep 27, 2011	21.93	22.25	21.87	22.00	22,254,082	+0.36(+1.68%)
Sep 26, 2011	21.41	21.70	21.23	21.64	22,620,436	+0.38(+1.80%)
Sep 23, 2011	21.17	21.38	21.03	21.26	27,614,186	-0.05(-0.26%)
Sep 22, 2011	21.35	21.55	21.07	21.31	34,190,564	-0.49(-2.26%)
Sep 21, 2011	22.37	22.53	21.79	21.81	21,353,096	-0.45(-2.00%)
Sep 20, 2011	22.06	22.48	22.02	22.25	20,106,206	+0.17(+0.78%)
Sep 19, 2011	21.98	22.15	21.84	22.08	19,471,712	-0.29(-1.32%)
Sep 16, 2011	22.37	22.46	22.21	22.37	28,579,986	+0.13(+0.58%)
Sep 15, 2011	22.18	22.25	21.93	22.24	18,642,880	+0.25(+1.15%)
Sep 14, 2011	21.87	22.22	21.55	21.99	22,839,916	+0.26(+1.20%)
Sep 13, 2011	21.61	21.84	21.53	21.73	21,412,038	-0.18(-0.81%)
Sep 12, 2011	21.61	21.94	21.50	21.91	22,088,200	+0.11(+0.50%)
Sep 09, 2011	22.32	22.32	21.64	21.80	40,500,468	-0.64(-2.85%)
Sep 08, 2011	22.43	22.72	22.35	22.44	48,752,192	-0.13(-0.56%)
Sep 07, 2011	22.29	22.60	22.26	22.57	20,338,524	+0.49(+2.20%)
Sep 06, 2011	21.66	22.11	21.57	22.08	25,487,330	-0.08(-0.37%)
Sep 02, 2011	22.37	22.43	22.11	22.16	19,533,544	-0.36(-1.61%)