Canada's S&p/tsx Composite closed at 13,993.92, down -0.31%

Nasdaq Unofficially Closes down 44.92 Points, or 0.92 Percent, at 4,849.63

S&p 500 Unofficially Closes down 16.92 Points, or 0.81 Percent, at 2,079.15

Dow Jones Unofficially Closes down 132.27 Points, or 0.74 Percent, at 17,733.07

U.s. Stocks Extend Fall, Nasdaq down 1.00 Pct