TehranBrent fell 4% on US-Iran ceasefire.
The Strait of Hormuz, carrying 20% of global crude, had been closed 107 days, injecting a war premium markets are now reversing.
A memorandum of understanding will be signed in Switzerland on June 19; mine clearance must precede full tanker transit.
Sources: The Independent, The Hindu, Al Jazeera Online, Prothomalo, Haberler.com