Did you incur investment losses with Matthew Giannone? The Securities Law Firm of Menzer & Hill, P.A. is investigating claims involving Matthew Giannone (“Giannone”) of Oppenheimer & Co related to his alleged unauthorized trading and unsuitable investment recommendations. Giannone has 6 complaints against him. Fortunately, for those investors that incurred losses investing with Giannone may be able… Read more »