Wires

US STOCKS-Futures edge lower after IMF cuts growth outlook

* Alcoa to start earnings season after the close

* Finance minister summit eyed

* Futures off: Dow 6 pts, S&P 0.2 pt, Nasdaq 8 pts

By Chuck Mikolajczak

NEW YORK, Oct 9 (Reuters) - U.S. stock index futures edgedlower on Tuesday, indicating the benchmark S&P index may fallfor a third straight session after a warning from the IMF aboutglobal growth prospects.

* The International Monetary Fund cut its projected globaloutput for 2012 to 3.3 percent from 3.5 percent in its latestworld economic outlook, warning that a lack of action bypolicymakers in the U.S. and Europe to fix their economicproblems could extend the current slump.

* The IMF warnings comes on the heels of a growth forecastcut for East Asia by the World Bank on concerns China's slowdowncould last longer than expected.

* Investors were also eyeing a euro zone finance ministers'meeting and a visit by German Chancellor Angela Merkel to Greecefor any signs of progress in dealing with the region's debtcrisis.

* On Monday, the euro zone finance ministers and theInternational Monetary Fund held a "thorough and robust" debateon Greece, but failed to make significant progress in decidinghow best to get the country back on track with its bailoutprogram.

* S&P 500 futures

slipped 0.2 point and were slightlybelow fair value, a formula that evaluates pricing by takinginto account interest rates, dividends and time to expiration onthe contract. Dow Jones industrial average futures

shed 6points, and Nasdaq 100 futures

dipped 8 points.

* Earnings season gets underway in the United States whenDow component Alcoa Inc

reports quarterly earnings.Analysts expect Alcoa's third-quarter results to show it brokeeven, down from a profit of 15 cents per share a year earlier,according to Thomson Reuters data.

* Analysts forecast third-quarter earnings of Wall Street'sS&P 500

companies would fall 2.3 percent from theyear-ago quarter, according to Thomson Reuters data, which wouldbe the first drop in U.S. quarterly earnings in three years.According to the data, 91 companies in the S&P 500 have issuednegative outlooks versus 21 positive pre-announcements, for aratio of 4.3, the weakest showing since the third quarter of2001.

* Recent earnings warnings from large multinationals such asFedEx Corp

, Caterpillar Incand Hewlett-PackardCo

which have cited weakness in Europe and China haveleft investors cautious about the prospects for corporateprofits.

* Edwards Lifesciences Corp

cut its revenue forecastfor the third quarter, as sales of the medical device maker'sunique heart valve that was expected to drive results fell shortof estimates.

* European shares gave up early gains and turned negative asconcerns over slowing global growth and its impact on corporateearnings weighed, although charts signaled a bounce back.

* Asian shares rose but gains were moderated by concernsover global growth prospects, especially in China, and expectedweak U.S. corporate earnings.

(Reporting by Chuck Mikolajczak Editing by W Simon)

((charles.mikolajczak@thomsonreuters.com)(+1 646 2235234)(Reuters Messaging:charles.mikolajczak.thomsonreuters.com@reuters.net))

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