Pakistan, May 2 -- World shares were mixed and U.S. futures edged higher Friday, with most markets closed for May Day holidays. Brent crude's price rose 83 cents to $111.23 per barrel while U.S. benchmark crude added 12 cents to $105.19 a barrel.

Prospects for a deal to cement a three-week ceasefire in the Iran wa r remained clouded as Iran's supreme leader said it will protect its nuclear and missile capabilities as a national asset. The war's shocks to oil supplies and prices are putting pressure on U.S. President Donald Trump, who was floating a new plan to reopen the Strait of Hormuz, a critical passageway for oil and gas exports from the Middle East.

Britain's FTSE 100 fell 0.6% to 10,319.24. In Tokyo, the Nikkei 225 gained 0.7% to...