Wall Street edges lower after string of gains

NEW YORK (Reuters) - Stocks edged lower on Monday as investors found little reason to extend a five-week rally on lingering uncertainty over whether Greece would accept the terms of a bailout.

Greeks delay bailout talks as Merkel demands action

ATHENS/PARIS (Reuters) - German Chancellor Angela Merkel told Greece on Monday to make up its mind fast on accepting the painful terms for a new EU/IMF bailout, but the country's political leaders responded by delaying their decision for yet another day.

Skepticism grows around Medco/Express Scripts deal

WASHINGTON (Reuters) - Objections to Express Scripts' $29 billion plan to buy rival pharmacy benefits manager Medco Health Solutions are accumulating as U.S. antitrust regulators weigh whether they have enough evidence to stop the megamerger.

MF Global shortfall worsened as bankruptcy neared

(Reuters) - The trustee liquidating MF Global Holdings Ltd's broker-dealer unit said the shortfall in commodity customer accounts began five days before the company's bankruptcy and grew in the days leading up to the Chapter 11 filing.

Analysis: Brent premium to U.S. oil set for another blowout?

NEW YORK (Reuters) - Brent crude's premium to U.S. oil could be poised for another record run after jumping 50 percent over the past week, as an expected build in Midwest inventories again exerts pressure on the U.S. benchmark.

Fed should raise rates in 2013, Bullard says

CHICAGO (Reuters) - The Federal Reserve should start raising interest rates next year, a top Fed official said on Monday, arguing that many years of near-zero rates will do little to return economic output to pre-recession levels and risks causing "disaster."

China growth could halve if Europe crisis worsens: IMF

BEIJING (Reuters) - China's annual economic growth could be cut nearly in half this year if Europe's debt crisis tips the world economy into a recession, putting pressure on Beijing to unveil "significant" fiscal stimulus, the International Monetary Fund said.

Boeing shares slip as it addresses 787 issues

(Reuters) - Boeing Co shares slipped on Monday, the day after the plane maker said it must correct a fuselage support structure problem on some of its carbon-composite 787s, a glitch experts said could slow production.

Insight: Two firms flourish in frenzied MF Global aftermath

NEW YORK (Reuters) - The mad rush to move client money out of MF Global Inc. after its collapse left two firms with the bulk of customer accounts, while other brokerages emerged with only minor gains from the chaos of carving up a multibillion-dollar business.

S&P downgrades Belize, sees possible debt default

NEW YORK (Reuters) - Standard & Poor's on Monday downgraded Belize's credit ratings deep into junk territory, warning that the country appears to be less willing to service its external debt.