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Monday, May 14, 2007, 4:10AM ET - U.S. Markets open in 5 hours and 20 minutes. Dow Up 0.84% Nasdaq  0.00%
Merck & Co. Inc. (MRK)On May 11: 52.00   0.00 (0.00%)  
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Key StatisticsGet Key Statistics for:
Data provided by Capital IQ, except where noted.
VALUATION MEASURES 
Market Cap (intraday):112.70B
Enterprise Value (14-May-07)3:115.12B
Trailing P/E (ttm, intraday):24.61
Forward P/E (fye 31-Dec-08) 1:17.11
PEG Ratio (5 yr expected):1.78
Price/Sales (ttm):4.90
Price/Book (mrq):6.09
Enterprise Value/Revenue (ttm)3:5.01
Enterprise Value/EBITDA (ttm)3:10.823
FINANCIAL HIGHLIGHTS 
Fiscal Year
Fiscal Year Ends:31-Dec
Most Recent Quarter (mrq):31-Mar-07
Profitability
Profit Margin (ttm):20.08%
Operating Margin (ttm):25.33%
Management Effectiveness
Return on Assets (ttm):12.28%
Return on Equity (ttm):24.75%
Income Statement
Revenue (ttm):23.00B
Revenue Per Share (ttm):10.582
Qtrly Revenue Growth (yoy):6.60%
Gross Profit (ttm):16.63B
EBITDA (ttm):10.64B
Net Income Avl to Common (ttm):4.62B
Diluted EPS (ttm):2.11
Qtrly Earnings Growth (yoy):12.10%
Balance Sheet
Total Cash (mrq):4.06B
Total Cash Per Share (mrq):1.872
Total Debt (mrq):6.48B
Total Debt/Equity (mrq):0.35
Current Ratio (mrq):1.494
Book Value Per Share (mrq):8.537
Cash Flow Statement
Operating Cash Flow (ttm):4.13B
Levered Free Cash Flow (ttm):1.74B
View Financials (provided by EDGAR Online):
Income Statement - Balance Sheet
Cash Flow
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Free Annual Report for MRK


TRADING INFORMATION 
Stock Price History
Beta:1.13
52-Week Change3:51.65%
S&P500 52-Week Change3:16.62%
52-Week High (26-Apr-07)3:52.63
52-Week Low (31-May-06)3:32.75
50-Day Moving Average3:48.63
200-Day Moving Average3:45.49
Share Statistics
Average Volume (3 month)3:11,132,000
Average Volume (10 day)3:8,666,060
Shares Outstanding:2.17B
Float:2.17B
% Held by Insiders4:0.14%
% Held by Institutions4:70.60%
Shares Short (as of 10-Apr-07)3:18.69M
Short Ratio (as of 10-Apr-07)3:2.2
Short % of Float (as of 10-Apr-07)3:0.90%
Shares Short (prior month)3:20.10M
Dividends & Splits
Forward Annual Dividend Rate5:1.52
Forward Annual Dividend Yield5:3.00%
Trailing Annual Dividend Rate3:1.52
Trailing Annual Dividend Yield3:2.90%
5 Year Average Dividend Yield5:3.70%
Payout Ratio5:72%
Dividend Date3:02-Apr-07
Ex-Dividend Date5:07-Mar-07
Last Split Factor (new per old)2:2:1
Last Split Date3:17-Feb-99


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See Key Statistics Help for definitions of terms used.
Abbreviation Guide: K = Thousands; M = Millions; B = Billions
mrq = Most Recent Quarter (as of 31-Mar-07)
ttm = Trailing Twelve Months (as of 31-Mar-07)
yoy = Year Over Year (as of 31-Mar-07)
lfy = Last Fiscal Year (as of 31-Dec-06)
fye = Fiscal Year Ending
1 = Data provided by Thomson; 2 = Data provided by EDGAR Online;
3 = Data derived from multiple sources or calculated by Yahoo! Finance;
4 = Data provided by Computershare; 5 = Data provided by Hemscott Americas