Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	25.37	25.48	25.30	25.36	16,751,387	-0.02(-0.08%)
May 23, 2011	25.22	25.44	25.19	25.38	18,322,268	-0.11(-0.43%)
May 20, 2011	25.71	25.78	25.37	25.49	16,472,554	-0.22(-0.86%)
May 19, 2011	25.86	25.90	25.55	25.71	16,530,771	-0.14(-0.53%)
May 18, 2011	25.62	25.88	25.52	25.85	18,876,802	+0.21(+0.83%)
May 17, 2011	25.58	25.68	25.24	25.63	29,654,688	-0.02(-0.08%)
May 16, 2011	25.49	25.83	25.45	25.66	27,255,964	+0.15(+0.59%)
May 13, 2011	25.47	25.66	25.35	25.50	16,750,986	-0.08(-0.32%)
May 12, 2011	25.24	25.63	25.16	25.59	23,142,876	+0.39(+1.56%)
May 11, 2011	25.29	25.41	25.08	25.19	17,293,830	-0.10(-0.38%)
May 10, 2011	25.14	25.30	25.10	25.29	13,966,093	+0.20(+0.79%)
May 09, 2011	24.84	25.16	24.83	25.09	15,606,472	+0.06(+0.25%)
May 06, 2011	25.13	25.28	24.96	25.03	18,591,176	+0.10(+0.39%)
May 05, 2011	25.07	25.20	24.88	24.93	23,978,852	-0.21(-0.85%)
May 04, 2011	25.01	25.28	24.95	25.15	25,315,020	+0.10(+0.41%)
May 03, 2011	24.93	25.20	24.81	25.04	25,765,316	+0.07(+0.28%)