Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	25.24	25.35	25.18	25.23	16,836,480	-0.02(-0.08%)
May 23, 2011	25.09	25.31	25.06	25.25	18,415,340	-0.11(-0.43%)
May 20, 2011	25.58	25.65	25.24	25.36	16,556,230	-0.22(-0.86%)
May 19, 2011	25.73	25.76	25.42	25.58	16,614,743	-0.14(-0.53%)
May 18, 2011	25.49	25.74	25.40	25.72	18,972,692	+0.21(+0.83%)
May 17, 2011	25.45	25.55	25.11	25.50	29,805,326	-0.02(-0.08%)
May 16, 2011	25.36	25.70	25.32	25.53	27,394,418	+0.15(+0.59%)
May 13, 2011	25.34	25.53	25.22	25.37	16,836,076	-0.08(-0.32%)
May 12, 2011	25.11	25.50	25.03	25.46	23,260,436	+0.39(+1.56%)
May 11, 2011	25.16	25.29	24.96	25.07	17,381,678	-0.10(-0.38%)
May 10, 2011	25.01	25.18	24.98	25.16	14,037,037	+0.20(+0.79%)
May 09, 2011	24.71	25.03	24.70	24.96	15,685,750	+0.06(+0.25%)
May 06, 2011	25.00	25.15	24.83	24.90	18,685,614	+0.10(+0.39%)
May 05, 2011	24.94	25.07	24.75	24.81	24,100,658	-0.21(-0.85%)
May 04, 2011	24.88	25.15	24.82	25.02	25,443,614	+0.10(+0.41%)
May 03, 2011	24.80	25.07	24.68	24.92	25,896,198	+0.07(+0.28%)