Citadel’s Griffin Expected to Testify at GameStop Hearing (1)

Ken Griffin, Citadel’s billionaire founder, is expected to testify next week at a House hearing on wild market swings in shares of GameStop Corp. and other stocks, according to three people familiar with the matter.

It’s also anticipated that Robinhood Financial Chief Executive Officer Vladimir Tenev will appear to answer questions about the role that the firm’s popular online trading app played in the tumult, said the people, asking not to be named before a formal announcement. House Financial Services Committee Chair Maxine Waters, a California Democrat, has said she wants the panel to hear from hedge fund ...