The S&P/TSX Composite is a market cap weighted Index tracks about 250 of Canada’s largest public companies. It is viewed as a barometer of the Canadian economy, and is analogous to the S&P 500 Index in the United States. Companies must maintain strict liquidity and market capitalization requirements in order to remain part of the index.The term Toronto Stock Exchange (TSX) refers to a Canadian stock exchange located in Toronto, Ontario. Founded in 1861, the TSX is Canada’s premier stock exchange with more than 1,500 listed companies, including those from the energy, mining, technology, and real estate sectors. The exchange is also home to international listings and exchange-traded products.1 It became fully electronic after closing its trading floor in 1997.2