B. Riley Financial Inc. (NASDAQ:RILY) shares are currently trading at around $8.08, down more than 52.54% at last check Monday, after reports circulated that its second-quarter earnings would be delayed as regulators probe the Los Angeles-based boutique bank. Trading was temporarily halted at 9:33 a.m. E.T., but resumed around five minutes later. What Happened: The “overwhelming majority” of B. Riley’s non-cash losses stem from its investment in Franchise Group, Inc. (FRG), according to founder and CEO Bryant Riley in a second-quarter preliminary report. Riley’s comments coincide with a Bloomb…