Soreide Law Group has filed a FINRA arbitration on behalf of our client (Claimant) against: OPPENHEIMER & CO., INC. (Respondent) The Claimant is retired and living in South Florida. The lawsuit alleges that the Claimant advised the Respondent and its Financial Advisor, E. Matthew Steinberg (Matthew Steinberg), that he wanted to safely generate retirement income. […]