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Friday, February 22, 2008, 5:13PM ET - U.S. Markets Closed. Dow Up 0.79% Nasdaq Up 0.16%
Aetna Inc. (AET)At 4:02PM ET: 50.13  Down 0.64 (1.26%)  
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Key StatisticsGet Key Statistics for:
Data provided by Capital IQ, except where noted.
VALUATION MEASURES 
Market Cap (intraday)5:24.88B
Enterprise Value (22-Feb-08)3:13.95B
Trailing P/E (ttm, intraday):14.43
Forward P/E (fye 31-Dec-09) 1:N/A
PEG Ratio (5 yr expected):N/A
Price/Sales (ttm):0.91
Price/Book (mrq):2.64
Enterprise Value/Revenue (ttm)3:0.51
Enterprise Value/EBITDA (ttm)3:4.245
FINANCIAL HIGHLIGHTS 
Fiscal Year
Fiscal Year Ends:31-Dec
Most Recent Quarter (mrq):31-Dec-07
Profitability
Profit Margin (ttm):6.63%
Operating Margin (ttm):10.79%
Management Effectiveness
Return on Assets (ttm): N/A
Return on Equity (ttm):19.53%
Income Statement
Revenue (ttm):27.60B
Revenue Per Share (ttm):54.202
Qtrly Revenue Growth (yoy):12.30%
Gross Profit (ttm):9.84B
EBITDA (ttm):3.29B
Net Income Avl to Common (ttm):1.83B
Diluted EPS (ttm):3.47
Qtrly Earnings Growth (yoy):3.30%
Balance Sheet
Total Cash (mrq):14.22B
Total Cash Per Share (mrq):28.658
Total Debt (mrq):2.98B
Total Debt/Equity (mrq):0.31
Current Ratio (mrq):N/A
Book Value Per Share (mrq):19.198
Cash Flow Statement
Operating Cash Flow (ttm):N/A
Levered Free Cash Flow (ttm):N/A
View Financials (provided by EDGAR Online):
Income Statement - Balance Sheet
Cash Flow


TRADING INFORMATION 
Stock Price History
Beta:0.98
52-Week Change3:10.06%
S&P500 52-Week Change3:-7.82%
52-Week High (11-Dec-07)3:60.00
52-Week Low (17-Aug-07)3:39.02
50-Day Moving Average3:54.13
200-Day Moving Average3:53.74
Share Statistics
Average Volume (3 month)3:3,645,980
Average Volume (10 day)3:5,633,390
Shares Outstanding5:496.30M
Float:488.66M
% Held by Insiders1:0.12%
% Held by Institutions1:87.60%
Shares Short (as of 10-Jan-08)3:5.22M
Short Ratio (as of 10-Jan-08)3:2
Short % of Float (as of 10-Jan-08)3:1.00%
Shares Short (prior month)3:4.49M
Dividends & Splits
Forward Annual Dividend Rate4:0.04
Forward Annual Dividend Yield4:0.10%
Trailing Annual Dividend Rate3:0.04
Trailing Annual Dividend Yield3:0.10%
5 Year Average Dividend Yield4:0.10%
Payout Ratio4: N/A
Dividend Date3:30-Nov-07
Ex-Dividend Date4:13-Nov-07
Last Split Factor (new per old)2:2:1
Last Split Date3:21-Feb-06


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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-Dec-07)
ttm = Trailing Twelve Months (as of 31-Dec-07)
yoy = Year Over Year (as of 31-Dec-07)
lfy = Last Fiscal Year (as of 31-Dec-07)
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.