SINGAPORE/LONDON: The dollar held near a six-week peak on Friday, after conflicting signals over a U.S.-Iran peace deal whipped up volatility across financial markets, though investors latched on to hopes of some progress.

Washington and Tehran stuck to opposing stances over the latter's uranium stockpile and control of the Strait of Hormuz, although U.S. Secretary of State Marco Rubio said there had been "some good signs" in talks.