Medellin-based e-commerce, logistics, warehouse, document security, billing and customer-communications specialist Cadena announced May 17 that its full-year 2017 earnings before interest, taxes, depreciation and amortization (EBITDA) rose 40% year-on-year, with EBITDA margin at 13.4%. Sales also rose to COP$184 billion (US$63 million), while billings for innovative