Global stocks were mostly flat on Monday while oil prices fell, as optimism over progress in U.S.-Iran talks was offset by expectations of higher interest rates that pushed U.S. Treasury yields up. U.S. Vice President JD Vance said in Switzerland that Iran agreed to allow nuclear inspectors into the country, with conversations over the inspections possibly beginning as soon as this week. The U.S. Treasury Department authorized Iranian sales of crude oil and petrochemical and petroleum…
