The second business, Citadel Securities, is a wholesale broker that says it handles more than a quarter of all stock trading in the United States. And as small investors were furiously buying and selling GameStop shares — many through trading apps such as Robinhood — Citadel Securities was doing brisk business. “They operate in the shadows and want to stay in the shadows and don’t want anyone looking at how they conduct their business.”On Thursday, lawmakers will put a spotlight on Mr. Griffin. In particular, Mr. Griffin will have to address speculation that he used his firms’ involvement to manipulate the situation for his own benefit. “There’s a giant pachyderm running around, and that’s the insane theory that we induced Robinhood or any other firm to impose trading restrictions on GameStop,” Mr. Griffin said in an interview on Wednesday.

Source: New York Times February 18, 2021 02:26 UTC