CBZ Holdings Limited is holding its breath while American investigators comb through records of its international transactions to determine the extent of any breaches by the bank of Washington’s sanctions on targeted individuals with whom it may have transacted. Zimbabwe’s largest banking group by assets says it is cooperating fully with the investigators but cannot determine when the matter will be concluded. Last week, CBZ Holdings added another cautionary to previous ones that have run since last year advising stakeholders to trade their shares carefully during the course of the investigation. “CBZ Bank Limited is cooperating in the ongoing investigations by the Office of Foreign Assets Control (OFAC) regarding historical transactions involving a party that was subject to OFAC economic…