“There's been speculation about the Iran conflict flaring back up. That's pushed oil prices higher,” said analyst Emily Roland of Manulife John Hancock Investments.

NEW YORK/LONDON, May 12 : Equity indexes dipped on Tuesday as U.S. inflation climbed while oil gained for a third straight day and the dollar rose as hopes faded for a deal to get ships moving through the Strait of Hormuz.In April, U.S. consumer prices (CPI) rose sharply for a second straight month, resultin