WASHINGTON--(BUSINESS WIRE)--The Financial Industry Regulatory Authority (FINRA) announced today that it has fined StockCross Financial Services, Inc. $800,000 for Regulation SHO violations and for related supervisory violations that spanned more than three years. As part of the sanctions, StockCross is ordered to provide a report to FINRA regarding the effectiveness of its Reg SHO supervisory system within six months. Thomas Gira, FINRA Executive Vice President and Head of Market Regulation, s