US futures and Asian shares open lower, oil prices soar as US and Israeli attack Iran

The U.S. and Israeli attacks on Iran have sent a chill through world markets, with U.S. futures initially falling more than 1%. Oil prices were sharply higher, with U.S. crude up 5.8% and Brent crude gaining 6%. Shares opened sharply lower in Tokyo early Monday and oil prices soared. Japan's Nikkei 225 index was down 1.4% by midday. Traders were betting the supply of oil from Iran and elsewhere in the Middle East would slow or grind to a halt. On Friday, the S&P 500 fell 0.4% to finish just its second losing month in the last 10. The Dow industrials dropped 1.1%, and the Nasdaq composite fell 0.9%.