(FILES) US Federal Reserve Chairman Alan Greenspan speaks to the media in the Oval Office of the White House beside US President Bill Clinton on January 4, 1999 in Washington, DC. Greenspan, the longtime US Federal Reserve chief who presided over an unprecedented American economic expansion but was later faulted for failing to rein in financial markets before the 2008 global crisis, died on June 22, 2026, US media reported. (Photo by MARIO TAMA / AFP via Getty Images)

(FILES) US Federal Reserve Chairman Alan Greenspan testifies before the Senate Banking, Housing, and Urban Affairs Committee in Washington on July 18, 1990. Greenspan, the longtime US Federal Reserve chief who presided over an unprecedented American economic expansion but was later faulted for failing to rein in financial markets before the 2008 global crisis, died on June 22, 2026, US media reported. (Photo by Luke FRAZZA / AFP via Getty Images)

(FILES) US Federal Reserve Board Chairman Alan Greenspan talks at the Advancing Enterprise Conference & G7 Finance Ministers and Central Bank Governers' Meeting in central London December 2 2005. A "pernicious drift" toward unstable budgets and trade protectionism risks a painful unwinding of world financial imbalances and must be checked, Greenspan warned on Friday. Greenspan, the longtime US Federal Reserve chief who presided over an unprecedented American economic expansion but was later faulted for failing to rein in financial markets before the 2008 global crisis, died on June 22, 2026, US media reported. (Photo by TOBY MELVILLE / POOL / AFP via Getty Images)

LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales talks to former US Vice President Al Gore during a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales meets members of a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales talks to former US Vice President Al Gore during a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales meets members of a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

Options trader Joseph D'Arrigo works on the floor of the New York Stock Exchange, Tuesday, June 16, 2026. (AP Photo/Richard Drew)