Merck & Co (NY: MRK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	23.18	23.48	23.05	23.18	36,320,132	+0.05(+0.21%)
May 27, 2010	22.65	23.17	22.56	23.13	44,441,216	+0.83(+3.70%)
May 26, 2010	22.01	22.60	21.91	22.31	2,320	+0.25(+1.12%)
May 25, 2010	21.54	22.08	21.40	22.06	2,179	+0.14(+0.63%)
May 24, 2010	21.93	22.23	21.75	21.92	19,325,386	-0.12(-0.56%)
May 21, 2010	21.47	22.12	21.36	22.05	37,055,108	+0.02(+0.07%)
May 20, 2010	22.18	22.40	21.85	22.03	3,916	-0.41(-1.85%)
May 19, 2010	22.16	22.64	22.07	22.45	30,772,896	+0.19(+0.83%)
May 18, 2010	22.69	22.71	22.23	22.26	1,380	-0.30(-1.31%)
May 17, 2010	22.65	22.75	22.14	22.56	22,393,396	-0.07(-0.30%)
May 14, 2010	22.63	22.95	22.49	22.63	30,670,304	-0.30(-1.29%)
May 13, 2010	23.18	23.22	22.78	22.92	21,291,214	-0.34(-1.45%)
May 12, 2010	23.38	23.42	23.00	23.26	27,736,388	+0.20(+0.87%)
May 11, 2010	23.26	23.42	22.97	23.06	7,886	-0.51(-2.16%)
May 10, 2010	23.71	23.74	23.32	23.57	34,059,620	+0.52(+2.27%)
May 07, 2010	23.33	23.55	22.67	23.05	38,415,824	-0.61(-2.56%)
May 06, 2010	23.64	24.48	21.13	23.65	1,903	-0.42(-1.73%)
May 05, 2010	24.37	24.52	24.02	24.07	31,185,686	-0.58(-2.33%)
May 04, 2010	24.50	25.02	24.50	24.64	6,365	+0.37(+1.53%)