McDonald's posted a steeper-than-expected drop in quarterly U.S. comparable sales on Monday, as demand took a hit from a brief E.coli outbreak while diners remained watchful of their spending.			
		
			
				
	
	International sales rise, driven by Middle East and Japan
	The company is partnering with Syngenta to pay some farmers who use corn with the trait
	
	
	
	McDonald's pulls Quarter Pounder from one-fifth of its US restaurants
	
	
	Layoffs don't include restaurant-level workers