Asian shares are mixed after worsening tensions in the Middle East sent shares lower on Wall Street. Oil prices rose.

S&P 500 futures are down 0.4%. Dow Jones Industrial Average futures are falling 0.4%. Nasdaq 100 futures are slipping 0.6%.

One day after hitting an all-time high, US stocks are in retreat Tuesday and volatility is rising on reports that Iran is preparing to launch a ballistic missile attack against Israel within the next 12 hours.