What We're Tracking U.S. and Iranian negotiations for a final agreement. The U.S.-Iran memorandum of understanding signed June 17 is highly likely to remain in effect over the coming week, and negotiations toward a final deal will begin. These negotiations aim to resolve remaining details, including the mechanism for a $300 billion investment fund, oversight of the memorandum and the future of Iran's nuclear program. While maritime traffic will remain well below prewar levels, some vessels — particularly ships stranded in the Persian Gulf since the start of the conflict — are expected to attempt to transit the strait. Separately, Israel and Lebanon are scheduled to begin a fifth round of direct negotiations June 22, focusing on Israel's troop presence in southern Lebanon. Colombia's presidential runoff. Colombians will vote June 21 to pick their next president in an election that will likely result in significant regulatory changes.