McDonald's is hosting an investor day as its U.S. business struggles. Here are 4 things to expect

McDonald's is expected to share more details about its new strategy to win back diners at its investor day on Wednesday in Chicago. The company unveiled its new global growth plan, called McDonald's > NEXT , in June at its biennial worldwide convention for franchisees. Pillars of the strategy include a new restaurant design, better-tasting food and drinks and consumer-led innovation. But executives have otherwise offered few details, holding back until Wednesday's event. Nearly three years after McDonald's previous investor day, the presentation comes after McDonald's U.S. business disappointed in its most recent quarter . The chain's same-store sales increased just 0.8%, and traffic to its restaurants fell.