Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	23.96	24.12	23.61	23.61	25,379,562	-0.42(-1.74%)
Oct 28, 2011	23.97	24.29	23.69	24.03	37,494,584	+0.55(+2.33%)
Oct 27, 2011	23.32	23.65	23.14	23.48	30,236,478	+0.53(+2.30%)
Oct 26, 2011	22.80	23.05	22.64	22.95	22,350,596	+0.43(+1.91%)
Oct 25, 2011	22.94	22.98	22.46	22.52	22,926,996	-0.42(-1.85%)
Oct 24, 2011	22.76	22.97	22.67	22.95	20,907,064	+0.12(+0.54%)
Oct 21, 2011	22.69	22.87	22.64	22.82	26,246,262	+0.38(+1.68%)
Oct 20, 2011	22.38	22.54	22.11	22.45	19,817,686	+0.18(+0.80%)
Oct 19, 2011	22.45	22.62	22.19	22.27	17,411,788	-0.17(-0.76%)
Oct 18, 2011	22.15	22.59	22.03	22.44	18,888,226	+0.33(+1.49%)
Oct 17, 2011	22.47	22.71	22.07	22.11	16,737,301	-0.46(-2.03%)
Oct 14, 2011	22.56	22.58	22.37	22.57	15,762,706	+0.19(+0.86%)
Oct 13, 2011	22.23	22.49	22.08	22.38	19,878,708	+0.09(+0.40%)
Oct 12, 2011	22.07	22.43	22.00	22.29	23,894,174	+0.44(+2.00%)
Oct 11, 2011	22.14	22.18	21.78	21.85	22,765,370	-0.29(-1.30%)
Oct 10, 2011	22.23	22.29	21.93	22.14	21,862,026	+0.51(+2.34%)
Oct 07, 2011	21.84	22.09	21.60	21.63	31,962,828	+0.13(+0.60%)
Oct 06, 2011	21.36	21.60	21.36	21.50	27,181,752	-0.03(-0.13%)
Oct 05, 2011	21.52	21.74	21.22	21.53	36,931,564	+0.08(+0.35%)
Oct 04, 2011	21.40	21.52	20.90	21.45	41,958,720	-0.15(-0.70%)