Net profit fell to 58.3 million euros (53.1 million pounds) in the first six months of the year down from 150.1 million euros a year earlier, the company said. Core profit halved to 153.5 million euros and revenues declined 29% to 1.21 billion euros, the company said.

The company said it was optimistic that sales and margins would improve in the second half.

(Reporting by Jose Elías Rodríguez and Nathan Allen; Editing by Ingrid Melander)