Large-scale oil shipping won't start again quickly after Iran ceasefire

Untangling the largest disruption in oil market history won't happen quickly or easily — and that means continued high prices and scarcity in major importing countries.Why it matters: A big thing to watch following the U.S.-Iran ceasefire deal is whether it gives tanker owners enough certainty to begin resumption of large-scale traffic of oil, petroleum products and other commodities through the Strait of Hormuz.The big picture: "Confidence-building measures in coming days are going to be key to...