Medellin-based construction giant Constructora Conconcreto announced August 9 that its second quarter (2Q) 2019 earnings jumped 70% year-on-year, to COP$57 billion (US$16.8 million). Earnings before interest, taxes, depreciation and amortization came-in at COP$105 billion (US$31 million), essentially flat year-on-year, while EBITDA margin was 25%. Consolidated revenues hit