Peter J. Fetherston of New York, New York, a stockbroker formerly registered with Principal Securities Inc., has been charged by Financial Industry Regulatory Authority (FINRA) in a Complaint that alleges Fetherston’s misappropriation and conversion of funds belonging to two customers of Principal Securities. Department of Enforcement v. Peter J. Fetherston, Disciplinary Proceeding No. 2020065396501 (May…