German authorities have again raided the offices of Deutsche Bank wealth management subsidiary DWS as part of an ongoing investigation into allegations of so-called greenwashing. DWS has been dogged by accusations that the company misled potential customers about how environmentally friendly certain green investment products actually were, a practice derisively known as greenwashing. “As in the past, we will cooperate fully with the authorities in order to conclude the investigations as quickly as possible,” DWS said on Thursday. The public prosecutor’s office handling the investigation did no…