•Oil prices rose as US and Iran sent mixed signals regarding de-escalation efforts, impacting the Strait of Hormuz and global energy supply.
•Brent crude surpassed $103 a barrel, while West Texas Intermediate neared $91.
•Iran rejected US overtures, demanding sovereign authority over the Strait of Hormuz; White House insists peace talks continue.
•Iran's parliament is drafting a measure to impose a levy for protecting ships in the waterway, expected next week.
•Global crude benchmark faces its largest monthly increase since 1990 due to Middle East turmoil, with BlackRock's Rob Kapito warning of potential $150 oil.