Asian shares mixed, oil jumps 4% after Donald Trump rejects Iran's response to ceasefire proposal

Following U.S. President Trump's rejection of Iran's response to the ceasefire proposal, international oil prices surged sharply. Concerns over energy security have intensified due to the Iran-Iran war and the Strait of Hormuz blockade, driving up oil prices. Discussions regarding Iran are expected to take place during the upcoming summit between the U.S. and China.