Earnings

AT&T sheds more lucrative wireless customers in 1Q

AT&T Inc. on Tuesday said it lost more of its most lucrative wireless customers during the first three months of the year as the country's biggest mobile carriers try to lure customers from each other with offers of unlimited data plans.

How major US stock market indexes fared on Tuesday

More big businesses joined the earnings parade Tuesday, saying their profits were even larger in the first three months of the year than analysts were expecting, including Caterpillar and McDonald's.