Shares of RCI Hospitality (RICK) plunged about 13% on news that its auditor, BDO, submitted its resignation over a disagreement with how the company was handling its internal investigation regarding matters raised by an SEC inquiry and anonymous internet articles containing potential SEC violations, including the failure to disclose related-party transactions, document and report use of the company’s aircraft for personal reasons, and hidden conflicts of interest. After a reviewing the situation with BDO, the findings of the report, as well as Q2 results that were disclosed in the past few