In This Story MCD +0.46% USFD -0.93% SYY -0.82% Two of the biggest food distributors in the United States have issued recalls for onions following a potential E. coli contamination linked to McDonald’s Quarter Pounders. Suggested Reading Amazon Prime now comes with a gas discount. Here's how it works Sommeliers, a personal concierge, and Michelin Star meals: Luxury train travel is the new business class McDonald’s is facing its first lawsuit from the Quarter Pounder E. coli outbreak McDonald’s