最新报道:The stock market has been volatile as Bill Pulte, director of the Federal Housing Finance Agency (FHFA), has expressed his views on everything from credit score pricing, cryptocurrencies as collateral assets, and even whether Fed Chairman Powell can keep his job. His online comments sometimes begin with obscure introductions, and even pulled down the S&P 500 index last Friday. His market influence "has made an obscure government official suddenly the protagonist of business news," said Steve Sosnick, chief strategist at Interactive Brokers.