Portuguese operator Sonaecom swung to a second-quarter net profit as the number of mobile clients rose almost 10 percent, reports Reuters. Sonaecom, which owns the country’s third-largest mobile operator Optimus, made a net profit of EUR1.2 million, which compared with a loss in the same period last year of EUR6.7 million. The number of mobile customers rose 9.6 percent to almost 3.3 million.