Shares of Biotest Aktiengesellschaft (ETR:BIO – Get Rating) dropped 0.5% during trading on Wednesday . The stock traded as low as €42.40 ($45.59) and last traded at €42.40 ($45.59). Approximately 25 shares changed hands during mid-day trading, a decline of 99% from the average daily volume of 1,927 shares. The stock had previously closed at […]