Oil rose Monday on fresh Middle East fears as Joe Biden pledged to retaliate after Iran-backed Houthi rebels killed three US service members in a drone attack, while equities were boosted by China's latest move to support its troubled markets.
The drone strike on a base in Jordan -- which came two days after Yemen's Houthi group struck a vessel in the Red Sea -- ramped up tensions in the region and stoked worries about supplies through the key trade waterway.
