Shares of Bertrandt Aktiengesellschaft (ETR:BDT – Get Rating) traded up 1.9% during trading on Friday . The stock traded as high as €46.35 ($50.93) and last traded at €45.50 ($50.00). 41,403 shares changed hands during trading, an increase of 184% from the average session volume of 14,576 shares. The stock had previously closed at €44.65 […]