NEW YORK–(BUSINESS WIRE)–Jefferies Financial Group Inc. (NYSE: JEF) today announced it will release its first-quarter financial results on Tuesday, March 28, 2023, after market close. About Jefferies Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies and governments My Business Wire News