MONTREAL — Growth in Quebecor’s telecom business helped to offset a decline in its media segment, enabling the communications company to maintain relatively flat revenues in the second quarter of 2018.Quebecor released its consolidated financial results on Thursday, reporting its Q2 2018 revenues of $1.04 billion were up $4.9 million, or 0.5%, compared to the second quarter of 2017. The company’s second-quarter 2018 adjusted EBITDA (earnings before interest, taxes, depreciation and amortization) was $417.1 million, an increase of $12.8 million or 3.2% from the same quarter of 2017.However, Quebecor’s net income attributable to shareholders was only $41.3 million, or $0.18...