Global shares were mixed on Wednesday as uncertainty persisted over conflict in the Middle East and access to the crucial Strait of Hormuz despite an initial deal to end the U.S.-Iran war.

France's CAC 40 declined 0.3% in early trading to 8,379.92, while the German DAX added 0.3% to 25,069.53. Britain's FTSE 100 dipped 0.1% to 10,484.53.