The lesson here is only that the difficulties of settling on a sustainable stock-research business model are one of many reasons you might want to be wary of banking as a sector just now.

FORBES: Wall Street Research Still Searching For A Business Plan

Despite settling, HarperCollins and Hachette both denied violating antitrust laws and defended the agency model.

WSJ: DOJ Sues Apple, Publishers Over E-Book Price-Fixing