The investigation, which began last year, initially focused on Guggenheim's $362 billion asset management business before expanding to Delaware Life Insurance Co. and Clear Spring Life and Annuity Co...

Federal prosecutors and the SEC are probing Guggenheim Partners CEO Mark Walter over financial improprieties involving insurance companies and an $85M

The investigation, which began last year, initially focused on Guggenheim's $362 billion asset management business before expanding to Delaware Life Insurance Co. and Clear Spring…