The Wall Street Journal | David Hodari and Caitlin Ostroff: The recent fall in the value of oil has reverberated across energy markets, hitting the value of oil companies

Crude prices rose Wednesday, pausing a weekslong crash after President Trump warned Iran that he has instructed the U.S. Navy to destroy Iranian gunboats if they continue to harass American ships in the Persian Gulf.

U.S. crude-oil futures for delivery in June rose 19% to $13.78 a barrel, extending a series of chaotic moves. The most heavily traded U.S. crude benchmark on Tuesday collapsed to a 21-year low, with supply overwhelming demand and storage in many parts of the world full.

Read more here