CEO Ryan Cohen listed his "stuff" on eBay in a publicity stunt tied to GameStop's efforts to acquire the company. Then, his account got flagged.

A rare chase card has apparently been repeatedly sold back to GameStop, thereby allowing the retailer to sell more Neutronium packs to eager fans

Ryan Cohen is known as a maverick on Wall Street, admired by some for his operational acumen and savvy financial engineering. But the rollout last week of his audacious proposal to merge GameStop, the video game retailer he runs,