McDonald’s sales dropped in the beginning of the year, marking the second consecutive quarter of declines as customers pull back their spending amid economic uncertainty. In the United States, its largest market, same-store sales dropped 3.6% — the chain’s worst drop since 2020 during the height of the Covid pandemic when people were told to stay home. Net income for the first quarter was $1.87 billion, a decline from $1.93 billion compared to the same period a year ago. However, McDonald’s notes that since last year had a Leap Day, or an extra day to make money, that slightly hurt...