As Bill Pulte, the Director of the Federal Housing Finance Agency (FHFA), expresses opinions on various topics ranging from credit score pricing, cryptocurrency as collateral, to whether Federal Reserve Chairman Powell can keep his job, the stock market has fluctuated dramatically. His online remarks sometimes begin with obscure introductions, and last Friday, they even momentarily pulled down the S&P 500 index. His market influence "turned an otherwise obscure government official into the star of business news," said Steve Sosnick, Chief Strategist at Interactive Brokers.