Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	23.98	24.13	23.62	23.62	25,367,550	-0.42(-1.74%)
Oct 28, 2011	23.98	24.30	23.70	24.04	37,476,836	+0.55(+2.33%)
Oct 27, 2011	23.33	23.66	23.15	23.49	30,222,166	+0.53(+2.30%)
Oct 26, 2011	22.81	23.07	22.65	22.96	22,340,018	+0.43(+1.91%)
Oct 25, 2011	22.95	22.99	22.47	22.53	22,916,144	-0.42(-1.85%)
Oct 24, 2011	22.77	22.98	22.68	22.96	20,897,168	+0.12(+0.54%)
Oct 21, 2011	22.70	22.88	22.65	22.83	26,233,840	+0.38(+1.68%)
Oct 20, 2011	22.39	22.55	22.12	22.46	19,808,304	+0.18(+0.80%)
Oct 19, 2011	22.46	22.63	22.20	22.28	17,403,546	-0.17(-0.76%)
Oct 18, 2011	22.16	22.60	22.04	22.45	18,879,286	+0.33(+1.49%)
Oct 17, 2011	22.48	22.72	22.08	22.12	16,729,378	-0.46(-2.03%)
Oct 14, 2011	22.57	22.59	22.38	22.58	15,755,245	+0.19(+0.86%)
Oct 13, 2011	22.24	22.50	22.09	22.39	19,869,300	+0.09(+0.40%)
Oct 12, 2011	22.08	22.44	22.01	22.30	23,882,864	+0.44(+2.00%)
Oct 11, 2011	22.16	22.19	21.79	21.86	22,754,596	-0.29(-1.30%)
Oct 10, 2011	22.24	22.30	21.94	22.15	21,851,678	+0.51(+2.34%)
Oct 07, 2011	21.85	22.10	21.61	21.64	31,947,698	+0.13(+0.60%)
Oct 06, 2011	21.37	21.61	21.37	21.51	27,168,886	-0.03(-0.13%)
Oct 05, 2011	21.53	21.75	21.23	21.54	36,914,084	+0.08(+0.35%)
Oct 04, 2011	21.41	21.53	20.91	21.46	41,938,860	-0.15(-0.70%)