(Reuters) - The euro zone won verbal support but no new money at a G20 summit on Friday for its tortured efforts to overcome a sovereign debt crisis, while Italy was effectively placed under IMF supervision. Leaders of the world's major economies, meeting on the French Riviera, told Europe to sort out its own problems and deferred until next year any move to provide more crisis-fighting resources to the International Monetary Fund.

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(Reuters) - Shares of daily deals site Groupon Inc rose more than 50 percent in their stock market debut on Friday, but at least some of the early trading exuberance may have come from limiting the fraction of the company that was sold. The shares rose as high as $31.14, or 55.7 percent above the IPO price, in early trading on the Nasdaq, at one point pushing the market value of the company up to $19.9 billion. The shares later eased back to $28.00.

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(Reuters) - U.S. hiring slowed in October but the unemployment rate hit a six-month low and job gains in the prior two months were stronger than previously thought, pointing to some improvement in the still-weak labor market. The employment report on Friday was the latest data to suggest the economy was gathering a bit of momentum and a further indication recession risks were fading.

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(Reuters) - Jon Corzine has resigned as MF Global Holdings Ltd's chairman and chief executive, four days after the futures brokerage filed for bankruptcy protection, culminating a rapid downfall for one of Wall Street's best-known executives. Corzine, 64, had run Goldman Sachs & Co from 1994 to early 1999, and was later a U.S. senator from New Jersey and governor of that state.

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(Reuters) - U.S. stocks rose in choppy trading on Thursday as a Greek vote over a euro-zone bailout was put into question, with sentiment also lifted after the European Central Bank unexpectedly cut interest rates. Equities' trading was volatile as Mario Draghi, in his first news conference as ECB president, also said the euro zone could slip back into a "mild recession" by the end of the year.

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(Reuters) - Greece's teetering government backed away from a proposed referendum on staying in the euro on Thursday, while European leaders talked for the first time of a possible Greek exit to preserve the single currency. Fast-moving events in Athens overshadowed the first day of a summit of the Group of 20 major economies on the French Riviera, with world leaders anxiously urging Europe to take decisive action to halt its sovereign debt crisis.

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(Reuters) - U.S. service sector activity growth eased in October to its slowest level in three months, but new orders for good from factories unexpectedly rose, suggesting economic growth remains patchy. In other U.S. data reported on Thursday, new claims for unemployment benefits fell below 400,000 last week for the first time in five weeks, suggesting a modest improvement in the labor market, but chain store retailers reported disappointing October sales.

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(Reuters) - The U.S. Securities and Exchange Commission is conducting a broad review into the collapse of the futures brokerage MF Global Holdings Ltd, SEC Chairman Mary Schapiro said on Thursday. "We will look at every aspect of how the firm conducted business," Schapiro told Reuters on the sidelines of a conference on financial fraud held by the Financial Industry Regulatory Authority.

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(Reuters) - The European Central Bank cut interest rates by a quarter point to 1.25 percent in a surprise move on Thursday and President Mario Draghi said the euro zone could subside into a "mild recession" in the latter part of 2011. The Italian has walked into a maelstrom in his first week at the ECB's helm, with euro zone leaders contemplating a future without Greece and economic policy paralysis in his home country threatening to pitch Rome into the storm.

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(Reuters) - Stocks rebounded after two days of losses on Wednesday, aided by upbeat job market data as investors eyed a crisis meeting about Greece and a Federal Reserve policy session. U.S. private employers added more jobs than expected last month, the ADP National Employment Report said. Separate data showed layoffs planned by companies dropped sharply, underscoring the view that the economy is on a path of slow growth.

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