SAN FRANCISCO (MarketWatch) -- Canadian stocks rallied Tuesday after the long holiday weekend, with Toronto's benchmark equities index rising 141 points, or 1.2%, to 11,804. Leading sectors, metals and mining stocks jumped 3.8%, followed by a 2.2% rise in the materials sector /zigman2/quotes/210598474/delayed XX:TORGC195 -5.73% and 2.1% climb by information technology equities /zigman2/quotes/210598463/delayed XX:TORGC194 +2.46% . Top percentage gainers among commodity companies were Ivanhoe Mines /zigman2/quotes/207656050/delayed CA:IVN -8.79% up 5.5%, class B shares Teck Resources adding 4.3%, and Second Wave Petroleum jumping 10.5%. Supporting the technology sector, shares of BlackBerry maker Research in Motion rose 5.2%. After four weeks of gains, the Canadian dollar again broke parity against its U.S. counterpart /zigman2/quotes/210561978/realtime/sampled USDCAD +1.5008% , with one U.S. dollar purchasing C$0.9969 vs. C$1.0006 Monday.