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%)
Sep 01, 2011	22.63	22.91	22.50	22.52	18,353,734	-0.13(-0.59%)
Aug 31, 2011	22.56	22.81	22.52	22.66	21,018,812	+0.27(+1.22%)
Aug 30, 2011	22.11	22.52	21.98	22.38	18,694,902	+0.16(+0.72%)
Aug 29, 2011	21.96	22.30	21.96	22.22	16,865,282	+0.37(+1.69%)
Aug 26, 2011	21.63	21.95	21.21	21.85	26,950,096	+0.04(+0.19%)
Aug 25, 2011	22.08	22.08	21.71	21.81	23,475,956	-0.25(-1.15%)
Aug 24, 2011	21.86	22.11	21.68	22.07	19,599,852	+0.20(+0.91%)
Aug 23, 2011	21.53	22.05	21.47	21.87	33,201,164	+0.43(+2.01%)
Aug 22, 2011	21.70	21.91	21.35	21.44	27,816,942	+0.03(+0.16%)
Aug 19, 2011	21.08	21.54	21.05	21.40	30,290,240	+0.14(+0.64%)
Aug 18, 2011	21.74	21.77	21.07	21.27	33,743,876	-0.78(-3.54%)
Aug 17, 2011	22.17	22.28	21.82	22.05	19,914,934	+0.07(+0.31%)
Aug 16, 2011	21.92	22.14	21.68	21.98	23,613,438	-0.02(-0.09%)
Aug 15, 2011	21.67	22.02	21.53	22.00	26,927,072	+0.54(+2.52%)
Aug 12, 2011	21.49	21.85	21.36	21.46	28,805,968	+0.10(+0.45%)
Aug 11, 2011	20.40	21.60	20.36	21.36	43,573,760	+0.95(+4.66%)
Aug 10, 2011	20.88	21.16	20.35	20.41	49,052,600	-0.97(-4.52%)
Aug 09, 2011	21.31	21.39	20.18	21.37	54,250,560	+0.88(+4.27%)
Aug 08, 2011	21.31	21.60	20.46	20.50	55,702,684	-1.21(-5.58%)
Aug 05, 2011	21.75	21.91	21.05	21.71	44,560,400	+0.14(+0.63%)
Aug 04, 2011	22.07	22.13	21.53	21.57	38,245,712	-0.81(-3.64%)
Aug 03, 2011	22.52	22.75	22.05	22.39	32,215,474	-0.14(-0.61%)
Aug 02, 2011	22.70	22.70	22.30	22.52	38,411,700	-0.37(-1.61%)
Aug 01, 2011	23.45	23.48	22.46	22.89	37,248,164	-0.47(-2.02%)
Jul 29, 2011	23.72	23.76	23.31	23.37	28,172,888	-0.55(-2.29%)
Jul 28, 2011	24.14	24.20	23.89	23.91	20,213,916	-0.18(-0.74%)
Jul 27, 2011	24.37	24.48	24.04	24.09	20,876,734	-0.41(-1.68%)
Jul 26, 2011	24.59	24.65	24.40	24.50	13,950,596	-0.07(-0.28%)
Jul 25, 2011	24.44	24.68	24.43	24.57	17,655,066	-0.14(-0.55%)
Jul 22, 2011	24.85	24.96	24.61	24.71	11,074,648	-0.06(-0.25%)
Jul 21, 2011	24.54	24.98	24.46	24.77	16,659,632	+0.40(+1.66%)
Jul 20, 2011	24.57	24.57	24.32	24.37	12,164,343	-0.14(-0.56%)
Jul 19, 2011	24.35	24.60	24.17	24.50	16,556,974	+0.21(+0.85%)
Jul 18, 2011	24.43	24.52	24.17	24.30	15,521,260	-0.30(-1.22%)
Jul 15, 2011	24.87	24.95	24.43	24.60	21,330,574	-0.26(-1.05%)
Jul 14, 2011	24.76	25.03	24.66	24.86	22,392,488	+0.19(+0.78%)
Jul 13, 2011	24.44	24.97	24.39	24.67	19,721,220	+0.27(+1.11%)
Jul 12, 2011	24.47	24.67	24.36	24.40	17,297,056	-0.03(-0.13%)
Jul 11, 2011	24.62	24.62	24.31	24.43	14,970,955	-0.30(-1.22%)
Jul 08, 2011	24.57	24.78	24.49	24.73	21,954,134	+0.27(+1.09%)
Jul 07, 2011	24.48	24.61	24.27	24.46	17,840,050	+0.14(+0.56%)
Jul 06, 2011	24.30	24.39	24.22	24.33	15,783,388	+0.03(+0.11%)
Jul 05, 2011	24.31	24.44	24.26	24.30	13,125,486	-0.08(-0.31%)