Economic sanctions imposed on Russia and other countries by the United States put the dollar's dominance at risk as targeted nations seek out an alternative, Treasury Secretary Janet Yellen said Sunday. Yellen noted that sanctions are an "extremely important tool," all the more so when used by the United States and its allies as "a coalition of partners acting together to impose these sanctions."
GameStop's shares and others favoured recently by retail investors fell further on Thursday, while U.S. Treasury Secretary Janet Yellen vowed to protect investors, but also said financial market regulators needed to fully understand the recent trading frenzy before taking any action.