MARKETS ALSO REACTED TO TRUMP'S COMMENTS THAT HE EXPECTS IRAN NEGOTIATIONS TO RESUME THIS WEEK DESPITE REJECTING TEHRAN'S OFFER AND THAT HE IS 'VERY SERIOUSLY' CONSIDERING A U.S. DIESEL EXPORT BAN — A MOVE THAT COULD TIGHTEN GLOBAL FUEL SUPPLIES — WITH A STRONGER DOLLAR, WEAKER POUND AND SOFTER GOLD PRICES REFLECTING SHIFTING INVESTOR EXPECTATIONS.