WARNING! Customer Disputes Involving Key Investment Services, DEBORAH CALDER Deborah Calder (CRD#: 4137234, Portland, Oregon) is a previous securities broker of Key Investment Services LLC. She worked in Key Investment Services’ Portland, Oregon offices from March 26, 2014 to March 3, 2017.  Apparently, the Financial Industry Regulatory Authority (“FINRA”) BrokerCheck Report for Calder shows that […]