Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	24.62	24.81	24.38	24.60	27,669,530	+0.12(+0.50%)
Apr 28, 2011	24.39	24.50	24.27	24.48	19,659,952	+0.10(+0.39%)
Apr 27, 2011	24.09	24.46	23.99	24.38	29,795,816	+0.39(+1.63%)
Apr 26, 2011	23.57	24.06	23.53	23.99	31,481,546	+0.50(+2.13%)
Apr 25, 2011	23.27	23.54	23.23	23.49	14,136,205	+0.20(+0.85%)
Apr 21, 2011	23.45	23.47	23.24	23.29	23,139,964	+0.00(+0.00%)
Apr 20, 2011	23.31	23.42	23.23	23.29	20,841,334	+0.20(+0.86%)
Apr 19, 2011	23.23	23.34	22.94	23.10	22,208,350	-0.12(-0.53%)
Apr 18, 2011	23.40	23.47	23.16	23.22	26,004,424	-0.40(-1.68%)
Apr 15, 2011	23.88	23.93	23.57	23.62	53,936,824	+0.44(+1.92%)
Apr 14, 2011	22.82	23.29	22.77	23.17	21,953,260	+0.27(+1.17%)
Apr 13, 2011	23.01	23.03	22.84	22.90	11,416,164	-0.06(-0.27%)
Apr 12, 2011	22.87	23.11	22.85	22.97	21,319,218	-0.02(-0.09%)
Apr 11, 2011	23.05	23.16	22.93	22.99	16,343,020	-0.05(-0.24%)
Apr 08, 2011	22.92	23.06	22.86	23.04	26,874,924	+0.23(+1.02%)
Apr 07, 2011	22.88	22.88	22.63	22.81	18,389,850	-0.01(-0.06%)
Apr 06, 2011	22.77	22.89	22.69	22.82	19,063,298	+0.13(+0.57%)
Apr 05, 2011	22.68	22.74	22.59	22.69	13,524,495	-0.08(-0.33%)
Apr 04, 2011	22.82	22.84	22.73	22.77	16,837,800	+0.14(+0.60%)