Shares of energy companies ticked up as oil futures gained.

Oil prices rose 1.6% to $83.53 a barrel amid skepticism about efforts to reopen the Strait of Hormuz.

Iranian banks appeared to carry on business as usual in Dubai, suggesting U.S. plans to make Iran an economic outcast were not taking immediate effect.

Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires