JEF INVESTIGATION ALERT: Investigation Launched into Jefferies Financial Group Inc., Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm

, /PRNewswire/ --Â Robbins Geller Rudman & Dowd LLP is investigating potential violations of U.S. federal securities laws involving Jefferies Financial Group Inc. (NYSE: JEF) focused on whether Jefferies and certain of its top executives made false and/or misleading statements and/or failed to disclose material information to investors. If you have information that could assist in the Jefferies investigation or if you are a Jefferies investor who suffered a loss and would like to learn more, you can provide ...