Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	22.17	22.80	22.14	22.38	35,415,060	+0.03(+0.12%)
Sep 29, 2011	22.14	22.46	22.05	22.35	28,212,886	+0.49(+2.25%)
Sep 28, 2011	22.13	22.36	21.82	21.86	21,639,862	-0.14(-0.62%)
Sep 27, 2011	21.92	22.24	21.86	21.99	22,264,622	+0.36(+1.68%)
Sep 26, 2011	21.40	21.69	21.22	21.63	22,631,148	+0.38(+1.80%)
Sep 23, 2011	21.16	21.37	21.02	21.25	27,627,262	-0.05(-0.26%)
Sep 22, 2011	21.34	21.54	21.06	21.30	34,206,756	-0.49(-2.26%)
Sep 21, 2011	22.36	22.52	21.78	21.80	21,363,208	-0.44(-2.00%)
Sep 20, 2011	22.05	22.47	22.01	22.24	20,115,728	+0.17(+0.77%)
Sep 19, 2011	21.97	22.14	21.83	22.07	19,480,934	-0.29(-1.32%)
Sep 16, 2011	22.36	22.45	22.20	22.36	28,593,522	+0.13(+0.58%)
Sep 15, 2011	22.17	22.24	21.92	22.23	18,651,708	+0.25(+1.15%)
Sep 14, 2011	21.86	22.21	21.54	21.98	22,850,732	+0.26(+1.20%)
Sep 13, 2011	21.60	21.83	21.52	21.72	21,422,178	-0.18(-0.81%)
Sep 12, 2011	21.60	21.93	21.49	21.90	22,098,660	+0.11(+0.50%)
Sep 09, 2011	22.31	22.31	21.63	21.79	40,519,648	-0.64(-2.85%)
Sep 08, 2011	22.42	22.71	22.34	22.43	48,775,280	-0.13(-0.56%)
Sep 07, 2011	22.27	22.59	22.25	22.56	20,348,156	+0.49(+2.20%)
Sep 06, 2011	21.65	22.10	21.56	22.07	25,499,400	-0.08(-0.37%)
Sep 02, 2011	22.36	22.42	22.10	22.15	19,542,796	-0.36(-1.61%)