Trader Matthias Praeger speaks on a phone in front of the German share price index DAX board at the stock exchange in Frankfurt, Germany January 7, 2016. REUTERS/Kai Pfaffenbach/Files
Trader Matthias Praeger speaks on a phone in front of the German share price index DAX board at the stock exchange in Frankfurt, Germany January 7, 2016. REUTERS/Kai Pfaffenbach/Files