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Monday, January 28, 2008, 12:39PM ET - U.S. Markets close in 3 hours and 21 minutes. Dow Up 0.28% Nasdaq Up 0.20%
Merck & Co. Inc. (MRK)At 12:19PM ET: 49.20  Up 1.41 (2.95%)  
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Key StatisticsGet Key Statistics for:
Data provided by Capital IQ, except where noted.
VALUATION MEASURES 
Market Cap (intraday)5:107.09B
Enterprise Value (28-Jan-08)3:102.47B
Trailing P/E (ttm, intraday):20.00
Forward P/E (fye 31-Dec-08) 1:14.51
PEG Ratio (5 yr expected):1.45
Price/Sales (ttm):4.33
Price/Book (mrq):5.02
Enterprise Value/Revenue (ttm)3:4.27
Enterprise Value/EBITDA (ttm)3:12.675
FINANCIAL HIGHLIGHTS 
Fiscal Year
Fiscal Year Ends:31-Dec
Most Recent Quarter (mrq):30-Sep-07
Profitability
Profit Margin (ttm):22.42%
Operating Margin (ttm):25.22%
Management Effectiveness
Return on Assets (ttm):8.46%
Return on Equity (ttm):26.90%
Income Statement
Revenue (ttm):24.00B
Revenue Per Share (ttm):11.066
Qtrly Revenue Growth (yoy):12.30%
Gross Profit (ttm):16.63B
EBITDA (ttm):8.08B
Net Income Avl to Common (ttm):5.38B
Diluted EPS (ttm):2.46
Qtrly Earnings Growth (yoy):62.20%
Balance Sheet
Total Cash (mrq):7.39B
Total Cash Per Share (mrq):3.396
Total Debt (mrq):5.85B
Total Debt/Equity (mrq):0.282
Current Ratio (mrq):1.348
Book Value Per Share (mrq):9.52
Cash Flow Statement
Operating Cash Flow (ttm):6.43B
Levered Free Cash Flow (ttm):2.49B
View Financials (provided by EDGAR Online):
Income Statement - Balance Sheet
Cash Flow
PrecisionIR Presents
Free Annual Report for MRK


TRADING INFORMATION 
Stock Price History
Beta:1.11
52-Week Change3:3.91%
S&P500 52-Week Change3:-6.44%
52-Week High (12-Dec-07)3:61.62
52-Week Low (25-Jan-08)3:42.32
50-Day Moving Average3:57.8053
200-Day Moving Average3:54.1271
Share Statistics
Average Volume (3 month)3:15,127,300
Average Volume (10 day)3:31,266,000
Shares Outstanding5:2.18B
Float:2.18B
% Held by Insiders1:0.03%
% Held by Institutions1:70.10%
Shares Short (as of 26-Dec-07)3:20.81M
Short Ratio (as of 26-Dec-07)3:2
Short % of Float (as of 26-Dec-07)3:1.00%
Shares Short (prior month)3:22.35M
Dividends & Splits
Forward Annual Dividend Rate4:1.52
Forward Annual Dividend Yield4:3.10%
Trailing Annual Dividend Rate3:1.52
Trailing Annual Dividend Yield3:3.20%
5 Year Average Dividend Yield4:3.70%
Payout Ratio4:62%
Dividend Date3:02-Jan-08
Ex-Dividend Date4:05-Dec-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 30-Sep-07)
ttm = Trailing Twelve Months (as of 30-Sep-07)
yoy = Year Over Year (as of 30-Sep-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 Hemscott Americas;
5 = Shares outstanding is taken from the most recently filed quarterly or annual report
and Market Cap is calculated using shares outstanding.