US equity markets mixed on Friday (25 October) to cap off a bumpy few days of trading as investors eye a huge week of economic data and earnings reports - Dow fell -260-points or -0.61%. McDonald’s Corp fell -2.97% and was the worst performer in the 30-stock index on Friday (25 October) and the stock has been under pressure in recent days following news that an E. coli outbreak in several states was tied to onions on the fast food chain's Quarter Pounder burgers.
