A Qatari negotiating team arrived in Tehran on May 22 to support US-Iran nuclear deal talks led by Pakistan. Here's what it means for markets.

According to the source, Iran's "enriched uranium is the main obstacle" in the indirect talks between Tehran and Washington

May 22 (Reuters) - A Qatari negotiating team arrived in Tehran on Friday in coordination with United States to help secure a deal to end the war with Iran and resolve outstanding…