Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	26.68	26.69	26.15	26.20	24,071,806	-0.42(-1.59%)
Jan 30, 2012	26.28	26.63	26.20	26.63	18,569,586	+0.25(+0.96%)
Jan 27, 2012	26.52	26.56	26.17	26.37	17,703,282	-0.18(-0.67%)
Jan 26, 2012	26.59	26.66	26.39	26.55	18,095,056	+0.07(+0.26%)
Jan 25, 2012	26.41	26.56	26.19	26.48	21,142,104	-0.07(-0.26%)
Jan 24, 2012	26.68	26.85	26.46	26.55	19,198,862	+0.01(+0.03%)
Jan 23, 2012	26.67	26.77	26.48	26.54	19,684,518	-0.29(-1.10%)
Jan 20, 2012	26.92	26.98	26.65	26.84	22,398,894	-0.04(-0.15%)
Jan 19, 2012	26.63	27.00	26.52	26.88	24,168,300	+0.27(+1.00%)
Jan 18, 2012	26.46	26.67	26.45	26.61	21,486,326	+0.03(+0.13%)
Jan 17, 2012	26.38	26.63	26.27	26.58	24,179,756	+0.34(+1.31%)
Jan 13, 2012	26.32	26.36	26.03	26.24	14,134,832	-0.20(-0.75%)
Jan 12, 2012	26.44	26.48	26.30	26.43	14,505,413	+0.14(+0.52%)
Jan 11, 2012	26.30	26.37	26.18	26.30	17,448,018	-0.08(-0.29%)
Jan 10, 2012	26.53	26.56	26.29	26.37	16,601,443	+0.09(+0.34%)
Jan 09, 2012	26.25	26.34	25.94	26.28	20,312,388	-0.05(-0.21%)
Jan 06, 2012	26.53	26.53	26.31	26.34	24,432,436	-0.18(-0.70%)
Jan 05, 2012	26.11	26.70	26.04	26.52	30,654,538	+0.27(+1.04%)