Signals flashing ample crude supplies overshadowed U.S. threats to curb Iranian oil exports, sending prices down for a fourth consecutive week. West Texas Intermediate fell three of five trading days on the New York Mercantile Exchange.

Global benchmark crude prices posted their first weekly gain in a month Friday, finding support as the U.S. looked to reduce Iranian crude exports and after President Donald Trump did not immediately impose reciprocal tariffs on U.

Crude oil futures fell modestly on Friday, as prospects for a peace deal between Russia and Ukraine could boost global energy supplies in the event of an end to sanctions against Russia. President Trump ordered U.