The failed peace talks left investors on edge with little visibility on how the blockade will be implemented, and how long and deep an oil shock needs to be priced in.

The president said the U.S. was ready to "finish up" Iran at the “appropriate moment," stressing that Tehran's nuclear ambitions were at the core of the failure to end the war.

The failed peace talks left investors on edge with little visibility on how the blockade will be implemented, and how long and deep an oil shock needs to be priced in.

The threat from the president has left global markets in another period of uncertainty, with questions over how the blockade will be enforced

Failed negotiations with Iran lead U.S. President Trump to announce a blockade of the Strait of Hormuz.

The U.S. naval blockade of the Strait of Hormuz threatens to halt more tanker traffic, sending oil surging and risks drawing China into a widening confrontation with Washington.

The U.S. blockade, set to begin at 10 a.m. ET, will apply to "any and all Ships trying to enter, or leave, the Strait of Hormuz," President Donald Trump said.

The U.S. blockade in the Strait of Hormuz risks deepening the energy shock, but markets are shrugging it off amid optimism for a deal.