STOCKHOLM—Ericsson AB returned to profit in the first quarter as telecom operators in North America continued to splash out on new fifth-generation networks. The Swedish telecom-equipment maker is emerging from years of costly restructuring and has bet big on the growing 5G market, where it is battling Finland’s Nokia Corp. and China’s Huawei Technologies Co.Its...

Source: Wall Street Journal April 17, 2019 10:13 UTC