Asian shares were mixed as oil prices continued to surge ahead of a deadline set by U.S. President Donald Trump for Iran to reopen the Strait of Hormuz, or risk its power plants and bridges being bombed. Japan's benchmark Nikkei 225 dropped 0.2% to 53,310.30, while Australia's S&P/ASX 200 gained 1.5% to 8,706.90. South Korea's Kospi was little changed, with the Shanghai Composite rising 0.4%. Wall Street also saw a rise in stock prices, with both the Dow Jones Industrial Average and the Nasdaq composite gaining 0.5%. In energy trading, benchmark U.K. crude jumped $2.37 to $114.78 a barrel and Brent crude added $111.17 a barrel.