Oil prices climbed on Wednesday, maintaining their highest levels since June 23, lifted by attacks on shipping in the Red Sea, along with concerns over steep U.S. tariffs on copper and a forecast for lower U.

Rescuers launched a search Wednesday for survivors of a Liberian-flagged cargo ship that came under attack from Yemen's Houthi rebels in the Red Sea, authorities said. At least three mariners were killed and two were wounded.

Rescue operations began overnight and continue into Wednesday in attempts to find surviving crewmembers of the MV Eternity C – five have been rescued so far