Warsh had strong words about his commitment to fighting inflation.
Oil prices surged more than 6% on Thursday.
According to officials, the FIFA Fan Fest at Lemon Hill drew an estimated 575,000 visitors during its 39-day run, setting a single-day record among U.S. host cities.
A spike in oil prices over recent days amid a resumption of fighting, however, threatens to push gas prices higher, erasing some of the relief delivered last month.
President Donald Trump on Monday got to ring the opening bells for the New York Stock Exchange and the Nasdaq from the golden confines of the Oval Office.
More than 409K people from 190 nations consumed 290K beers and more than 55K hot dogs during the World Cup matches in Philadelphia.