Motorists top up their vehicles with fuel at a petrol station in Tehran on September 7, 2026. Iranian authorities had announced on September 6 that they were raising the price of petrol for heavier consumers, as the US steps up sanctions seeking to isolate the country's economy. (Photo by AFP via Getty Images) /

A man tops up a vehicle with fuel at a petrol station in Tehran on September 7, 2026. Iranian authorities had announced on September 6 that they were raising the price of petrol for heavier consumers, as the US steps up sanctions seeking to isolate the country's economy. (Photo by AFP via Getty Images) /

TOPSHOT - A fisherman catches fish at a lake in Chennai on September 7, 2026. (Photo by R. Satish BABU / AFP via Getty Images)

TOPSHOT - A truck crosses into the United States on the Gordie Howe International Bridge, connecting Windsor, Ontario, and Detroit, Michigan, on September 6, 2025. Canada announced on August 25, 2026 counter-tariffs on US goods ranging between 15 and 50 percent, intensifying the trade war between the historically close allies. Ottawa's retaliation will take effect September 8, a timeframe earlier outlined by Prime Minister Mark Carney after US President Donald Trump's 50-percent duties came into place August 22, 2026. (Photo by JEFF KOWALSKY / AFP via Getty Images)

A fisherman casts a fishing net at a lake in Chennai on September 7, 2026. (Photo by R. Satish BABU / AFP via Getty Images)

A person stands in front of an electronic stock board showing Japan's Nikkei index at a securities firm Friday, Sept. 4, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A person stands in front of an electronic stock board showing Japan's Nikkei index at a securities firm Friday, Sept. 4, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A person walks in front of an electronic stock board showing Japan's Nikkei index at a securities firm Friday, Sept. 4, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)