Toronto stocks tumbled Monday, as investors bailed out of the energy, materials and financials sectors on falling commodity prices.

The S&P/TSX composite index lost 149.39 points, or 1.28%, to 11,480.62.

Seven of the 10 TSX main sub-groups were down.

The energy sector lost 2.16%

Canadian Natural Resources fell $2.03, or 3.40%, to $57.61.

The August futures contract for light, sweet crude closed down $1.73, or 2.3%, at US$75.30 a barrel.

The materials sector fell 1.88%, while the gold sub-sector gave up 3.46%.

Barrick Gold Corp. fell 75¢, or 2.19%, to $33.52.

Gold for August delivery fell $16.10 to end at $651.90 an ounce.

Financials were down 0.84%.

Manulife Financial fell 10¢, or 0.28%, to $35.40.

The Canadian dollar lost 0.60 of a cent to close at US88.01¢.

The S&P/TSX Venture composite index gave up 73.79 points, or 2.81%, to 2,556.73.

In New York, markets were mixed as investors remained nervous in light of conflict in the Middle East.

The Dow Jones industrial average closed up 8.01 points at 10,747.36, the Nasdaq composite index was up 0.37 point at 2,037.72, and the S&P 500 Index drifted down 1.71 points to 1,234.49.