The Walgreen pharmacy chain will begin filling prescriptions from customers in the Express Scripts network again starting in September under a new multiyear contract that ends a costly impasse between the companies.

UnitedHealth Group said Thursday that its second-quarter net income rose 5.5 percent, trumping Wall Street expectations, as enrollment gains helped fuel revenue growth and consumers continued to moderate their use of health care services.

Detroit's mayor slashed wages and reduced benefits for city workers Wednesday without any collective bargaining, one of the most severe steps taken so far as officials grapple with a crisis that has pushed the city to the brink of financial ruin.