Medellin-based construction giant Conconcreto reported May 9 that its first quarter (1Q) 2018 consolidated net income dropped 86% year-on-year, to COP$2 billion (US$698,000). Consolidated earnings before interest, taxes, depreciation and amortization (EBITDA) also dropped by 36% year-on-year, to COP$33 billion (US$11.5 million). Colombia’s relatively weak economic growth,