CNBC Daily Open: Back to the negotiating table

Arleigh Burke-class guided-missile destroyer USS Frank E. Petersen Jr. (DDG 121) sails behind the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72), June 27, 2026. Frank E. Petersen Jr. is deployed to the U.S. 5th Fleet area of operations to support maritime security and stability in the Middle East.Courtesy: U.S. NavyHello, this is Anniek Bao writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.Markets began the week trading a weapon that was never fired. U.S. President Donald Trump said negotiations with Iran will begin Monday after calling off another round of military strikes on the country, once again raising hopes for a diplomatic end to a conflict that has upended global energy supplies.The reversal came a day after he threatened to launch what would have been "the biggest attack since World War II." Analysts caution that diplomatic progress may continue to be punctuated by periodic military flare-ups, with miscalculation by either side potentially triggering renewed escalation. What you need to know todayU.S. President Donald Trump said negotiations with Iran will begin Monday after pausing hostilities against the country, renewing hopes f...