https://www.reuters.com/article/us-wirecard-accounts-germany-insight/germanys-long-lonely-campaign-battling-wirecards-short-sellers-idUSKCN24H0KM

German authorities pressed on for four years investigating investors who bet against Wirecard AG's shares, even after a UK regulator concluded that their evidence against the short sellers was "not sufficient," according to documents and people familiar with the matter.