Bank of America's co-head of investment banking Mike Joo to leave firm, memo says
By Saeed Azhar NEW YORK, Aug 6 (Reuters) - Bank of America's co-head of investment banking, Mike Joo, is leaving the firm for an external opportunity, according to an internal memo seen by Reuters, in one of the most high-profile departures at the second-biggest U.S. bank in recent months. 
