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How the Stimulus Can Help YouCool Ways to Put That Stimulus Check to Use Market Turns Sour Despite Sweet Merger NewsStocks turned mostly lower after a late-day dip.Mars, Buffett Buy Wrigley in $23B DealReport: United, US Airways May Combine Visa Charges Ahead With 2Q ResultsAfter its record IPO in March, Visa revealed a 28% rise in profit. Tyson Burned by Rising PricesRising corn costs have hit the nation's largest chicken grower. Grocery Store Sticker ShockWhy everyday products are costing you more. 'Frankenfoods' Gain Popularity During Food Crisis Is the world ready for this new breed of crops? Market Snapshot Indices Movers Loan Center Last % Change DJIA No Data -- NASDAQ No Data -- S&P 500 No Data -- FOX 50 No Data -- Symbol Last Price Net Change Volume No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- No Data -- -- -- Uptick: Market Turns Sour Despite Sweet M&A News Analysis: Soaring Commodity Prices Burn Tyson Foods FOX Business Central FOX Business Poll The Yahoo/Microsoft deadline passed this weekend without a deal. What should Microsoft do next? Go hostile and take the deal to shareholders Let Yahoo remain independent or view results Latest FOX Business News Latest News Most Read Most Emailed Subprime Losses At Japan Banks, Brokers To Top $9.6 Billion - 2 Hours Ago Seiko Epson To Cut LCD Production To Two Plants From Six - 2 Hours Ago Trading In Midwest Shares Halted Pending Announcement - 3 Hours Ago Worrisome Economic News Abounds, But Here Are Five Hopeful Signs - 4 Hours Ago Still Bashing Annunities After All These Years, With Good Reason - 4 Hours Ago States With Toughest Auto-insurance Rules See Lowest Rate Hikes - 5 Hours Ago Five Car-buying Tips That Take Advantage Of 'hungry' Dealers - 5 Hours Ago Four Wise Ways To Save For a Rainy Day - 5 Hours Ago When Banks Make Errors, Consumers Pay -- And Costs Can Be Steep - 5 Hours Ago Stocks In Focus For Tuesday - 5 Hours Ago IRS to Start Sending Out Stimulus Payments May 2 States With Toughest Auto-insurance Rules See Lowest Rate Hikes Worrisome Economic News Abounds, But Here Are Five Hopeful Signs Seiko Epson To Cut LCD Production To Two Plants From Six Still Bashing Annunities After All These Years, With Good Reason Four Wise Ways To Save For a Rainy Day The Stimulus Checks Are Coming: What You Can Get Too Rich for the Rebate? How the Stimulus Can Help You Subprime Losses At Japan Banks, Brokers To Top $9.6 Billion Trading In Midwest Shares Halted Pending Announcement The Wrigley Company Agrees to Merger with Mars, Incorporated Fox Business Blogs Greenspan is Right Leaking Economy in Need of Fix Save the Dollar! Market Update: Turning Cautious As the Stimulus Checks from Our Grandkids Arrive Can Wall Street’s Clean Up Plan Work? Beautiful London My Days on the Farm One of Me Would Like To Know: Which Life Is Mine? Partner Headlines Smartmoney Forbes Minyanville Major Indexes End Mixed Buffett, Kerkorian Inspire Value Vultures Billionaire Kerkorian Builds Big Stake in Ford Mortgage Insurers May Not Turn Profit Until 2010 Gap's Stock Comes Back in Fashion Retailers Offer Added Perks for Tax Rebates St. Joe's New Game Plan Banks Are Latest Industry to Try Optimized Pricing Fundamentals, Currency Quirk Favor Embraer ADRs Grounding Airline Mergers The World's 10 Most Wanted Fugitives Our New Answer Network Gazprom's New Focus On Production South Korea's 40 Richest Two Ways to Play: Warren Buffett's Sugar High Buzz Bits: Markets All Mixed Up MinyanLand on NBC The Unfriendly Skies Quick Hits: American Airlines' Extra Baggage Quick Hits: All About Akamai Prieur Perspective: Out of the Woods? Macke's Movers: Market Digests Apple's Quarter Random Thoughts: Trading The Fed Five Things You Need to Know: The Rebate Check Is In the Mail FOX Translator Indices No data currently available. Top Stock Gainers No data currently available. Most Searched Symbols SYMBOL $INDU AET BBI ACEGX DD GE HES JPM PCG PM PRLAX RHI V VIGN VWNFX MABAX Recommended Stories TITLE Word of the Day Alpha and BetaA popular Wendy's commercial in the 80s made famous the question: "Where's the beef?" Good one. And here's an even better one: "Where's the alpha?" You might want to whip this one out the next time you meet with your portfolio manager.Alpha is the over-and-above-the-expected return. It is the "value added." Therefore, it makes sense that a positive alpha means an investment has outperformed its market-predicted return, while a negative alpha would mean just the opposite. The expected return is calculated by a formula that takes into account the investment's level of unavoidable risk (aka beta).Ever stepped into an elevator and after the doors close you become aware of an almost-suffocating scent coming from the woman next to you who must have bathed in perfume? Well, as you know, once the doors close you can't escape the smell until the ride is over. This is similar to beta, which is risk that can't be reduced or diversified away. A measure of "systematic" or market related risk, beta is used as a measure relative to a certain index -- such as the S&P 500.So, for example, letВїs say your portfolio is managed to compete against the S&P 500. If you generate a better return than the index while not taking on added risk (standard deviation of returns) then you get alpha. Low beta means the market-related risk is low and vice versa for high beta.Another example, let's say a mutual fund or stock has a beta of 1.5 relative to the S& P500 Вї that means it is 1.5 times as risky. So, over time, if the S&P 500 goes up 1%, your portfolio should be up 1.5% plus (one can hope) some percentage of alpha. If the S&P 500 is down 1%, your portfolio should be down 1.5%.Alpha and beta are based off of linear regression of a set of data. Warning: this may cause a high school fifth-period flashback, but it will be over before you know it:The equation for a line is Y = a + bX.a = alpha (the Y intercept - the added value)b = Beta (the coefficient you multiply X by)X = S&P 500 (in this case)Y = your portfolio FOX Business Tools To Buy or to Lease Determine whether leasing or buying is the better overall investment strategy Monthly Payment Calculator Figure out how different variables in lease deal affect your monthly payment The Mortgage Calculator Calculate the interest rate you'll be paying, factoring in fees along the way See All Tools Home Video Markets Personal Finance My Money Our Team RSS Feeds Mobile Contact Us About Us FAQs Advertise with us. Jobs at FOX Business Network. Terms of use. Privacy Statement. For FOXBusiness.com technical issues write to foxbusinessonline@foxbusiness.com; for all other feedback, write to feedback@foxbusiness.com. This material may not be published, broadcast, rewritten, or redistributed. 2008 FOX News Network, LLC. All rights reserved. SmartMoney.com © 2008 SmartMoney. SmartMoney is a joint venture between Dow Jones & Company, Inc. and Hearst SM Partnership. All Rights Reserved. All quotes delayed by 20 minutes. Delayed quotes provided by Interactive Data Managed Solutions. Historical prices and fundamental data provided by Hemscott, Inc. Mutual fund data provided by Lipper. Mutual Fund NAVs are as of previous day's close. Earnings estimates provided by Zacks Investment Research. Insider trading data provided by Thomson Financial. 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