Ali Bilalo

Shares of Volkswagen AG?s main Turkish distributor Do?u? Otomotiv tumbled more than 12 percent on Sept. 28, hit by concerns that the emissions cheating scandal at the German automaker could undermine sales of its local dealers.

Do?u? imports more than 14 brands including VW group marques Porsche, Skoda and Audi, as well as Volkswagen.