$1 sodas, premium burgers help boost McDonald’s sales in U.S.

McDonald’s says a promotion for $1 sodas and a new line of premium burgers helped boost sales in its flagship U.S. market.
The company said Tuesday that domestic sales rose 3.9 percent at established locations during the second quarter. Globally, it says sales rose 6.6 percent.
CEO Steve Easterbrook has been working on modernizing the chain’s menu and stores to get customers visiting more often in an increasingly competitive environment. The frequency of customer visits at establishe