Visitors walk outside the Serena Hotel, the venue where Iran and the United States held peace talks earlier in Islamabad on April 15, 2026. Pakistan's Prime Minister Shehbaz Sharif set off on a four-day diplomatic blitz to Saudi Arabia, Qatar and Turkey on April 15, his office said, in a feverish round of diplomacy before a possible second round of US-Iran peace talks. (Photo by Aamir QURESHI / AFP via Getty Images)

An employee arranges chairs in a meeting room at the Serena Hotel, the venue where Iran and the United States held peace talks earlier in Islamabad on April 15, 2026. Pakistan's Prime Minister Shehbaz Sharif set off on a four-day diplomatic blitz to Saudi Arabia, Qatar and Turkey on April 15, his office said, in a feverish round of diplomacy before a possible second round of US-Iran peace talks. (Photo by Aamir QURESHI / AFP via Getty Images)

People stand at the entrance of the Serena Hotel, the venue where Iran and the United States held peace talks earlier in Islamabad on April 15, 2026. Pakistan's Prime Minister Shehbaz Sharif set off on a four-day diplomatic blitz to Saudi Arabia, Qatar and Turkey on April 15, his office said, in a feverish round of diplomacy before a possible second round of US-Iran peace talks. (Photo by Aamir QURESHI / AFP via Getty Images)

A visitor walks through the lobby of the Serena Hotel, the venue where Iran and the United States held peace talks earlier in Islamabad on April 15, 2026. Pakistan's Prime Minister Shehbaz Sharif set off on a four-day diplomatic blitz to Saudi Arabia, Qatar and Turkey on April 15, his office said, in a feverish round of diplomacy before a possible second round of US-Iran peace talks. (Photo by Aamir QURESHI / AFP via Getty Images)

(COMBO) This combination of pictures created on April 15, 2026 shows (L/R) US Federal Reserve Board Chairman Jerome Powell in Washington, DC, on December 10, 2025 and US President Donald Trump at the White House in Washington, DC, on April 13, 2026. President Trump renewed pressure on Federal Reserve Chair Jerome Powell on April 15, 2026, with the US leader threatening to fire the central bank chief if he stayed beyond his mandate. Powell's term at the helm of the Fed ends in May, and Trump has repeatedly lashed out at him for not cutting interest rates more aggressively. (Photo by SAUL LOEB and Brendan SMIALOWSKI / AFP via Getty Images)

In this pool photograph distributed by the Russian state agency Sputnik, Russia's President Vladimir Putin chairs a meeting on economic issues in Moscow on April 15, 2026. (Photo by Alexander KAZAKOV / POOL / AFP via Getty Images)

A screen shows the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Wednesday, April 15, 2026. (AP Photo/Ahn Young-joon)

Currency traders watch monitors near a screen showing the Korea Composite Stock Price Index (KOSPI), top center, and the foreign exchange rate between U.S. dollar and South Korean won, top center left, at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Wednesday, April 15, 2026. (AP Photo/Ahn Young-joon)