Grupo SBF, the operator of Brazil’s top sporting goods chain Centauro, suffered a 68 percent decline in adjusted Ebitda to 161,043,000 Brazilian reais (€31.5m) for the period ended Sept. 30. Gross margin, however, improved to 47.9 percent from 44.9 percent. Adjusted net profit, which excludes non-recurring expenses, declined 66 percent ...