 NEW YORK--BUSINESS WIRE--Jefferies Financial Group Inc. NYSE: JEF today announced it will release its third quarter financial results on Wednesday, September 28, 2022 after market close. About Jefferies Jefferies Financial Group Inc. is engaged in investment banking and capital markets and asset management. Jefferies Group LLC, our wholly owned subsidiary, is the largest independent, global, full-service investment banking firm headquartered in the U.S. Focused on serving clients for 60 yea 