India, Oct. 26 -- The Middle East conflict is expected to take a new turn, with Qatar taking a lead in diplomatic efforts to calm down the situation in coordination with the U.S. and Iran.

A slew of central bank meetings, including the U.S. Federal Reserve's policy meeting set for Tuesday and Wednesday.

In the Asian trading hours, oil prices fell more than 2 percent. Brent crude futures slumped 2.1 percent to $114.29 a barrel. WTI crude futures plummeted 2.5 percent to $100.73 a barrel.

Gold edged higher. Spot gold rose half a percent to $4,017.37 an ounce. U.S. gold futures were up 0.6 percent at $4,030.75.

Early signs from the U.S. Futures Index suggest that Wall Street might bounce back to open positive.

As of 7.55 am ET, the Dow fu...