The Financial Industry Regulatory Authority fined Citigroup Global Markets Inc. $600,000 And censured the firm for failing to supervise complex trading strategies designed in part to minimize potential tax liabilities. The firm also failed to report to an exchange trades executed under these strategies and to adequately monitor Bloomberg messages. For more info visit https://www.finra.org/media-center/news-releases/2009/finra-fines-citigroup-600000-failing-supervise-tax-related-stock