Oil prices rose Monday as investors assessed fresh obstacles to U.S.-Iran diplomacy and persistent security risks around Middle Eastern energy supplies.

© Alexi J. Rosenfeld/Getty Images

Oil prices rose Monday as investors assessed fresh obstacles to U.S.-Iran diplomacy and persistent security risks around Middle Eastern energy supplies.

© Alexi J. Rosenfeld/Getty Images

Oil prices declined Friday as investors assessed prospects for U.S.-Iran diplomacy aimed at reopening the Strait of Hormuz.

© Ed Ou/Reuters

Improving flows through the Strait of Hormuz and prospects for renewed diplomacy over the Iran conflict eased immediate supply concerns.

© Stringer/Reuters

Improving flows through the Strait of Hormuz and prospects for renewed diplomacy over the Iran conflict eased immediate supply concerns.

© Stringer/Reuters

Oil futures fell, with market concerns about Saudi Arabia supply disruptions tempered by expectations that some flows could soon be restored through the kingdom’s damaged East-West Pipeline.

© Charlotte Siemon/Agence France-Presse/Getty Images