India, April 2 -- Dozens of nations sought ways to restart vital energy shipments through the Strait of Hormuz on Thursday after President Donald Trump vowed more aggressive strikes on Iran, pushing oil prices back up and sending share prices lower. Trump said operations would be intensified and gave no timeline for ending hostilities, drawing threats of retaliation from Tehran.

"We're going to hit them extremely hard over the next two to three weeks. We're going to bring them back to the Stone Ages where they belong," Trump said in a Wednesday evening speech.

How Did Oil and Markets React?

Benchmark Brent crude prices jumped by about 7% to around $108 per barrel, erasing the previous day's decline. U.S. bond yields spiked, and global ...