On Monday, crude oil prices climbed again after Iran turned down negotiations with the United States, leaving the agreement to reopen the Strait of Hormuz unresolved. Brent crude increased by 0.8% to surpass $84 per barrel following a 5% gain over the previous three sessions, while WTI crude reached $78.74 per barrel. In the stock markets, Japan’s Nikkei climbed 0.6% and South Korea’s KOSPI saw a 0.5% increase.