TORONTO, April 12 (Reuters) - Toronto's main stock index slid to its lowest level in two weeks in early morning dealings on Tuesday, extending Monday's big loss, with energy shares leading the way lower.
Investors were cautious after Alcoa (AA.N) reported revenue that missed forecasts, while commodity prices fell sharply. Also, Japan upgraded the rating of the severity of its nuclear crisis, dragging on sentiment.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE dropped 141.65 points, or 1.01 percent, to 13,855.21, to touch its lowest point since March 29. All 10 index sectors were lower, with the energy sector tumbling 2.6 percent and materials off 1.2 percent.
$1=$1.03 Canadian Reporting by Ka Yan Ng; editing by Peter Galloway