 NEW YORK--BUSINESS WIRE--Jefferies Financial Group Inc. NYSE: JEF today announced it will release its fourth-quarter and annual 2021 financial results on the morning of Wednesday, January 12, 2022. About Jefferies Jefferies Financial Group Inc. is a diversified financial services company engaged in investment banking and capital markets, asset management and direct investing. Jefferies Group LLC, our wholly owned subsidiary, is the largest independent, global, full-service investment bankin 