The S&P/TSX Composite Index is an index which tracks the largest companies listed on the Toronto Stock Exchange (TSX). On average it consists of 250 companies representing approximately 95% of the Canadian stock market. Country-specific indexes such as the S&P/TSX Composite Index are used to gauge the performance of a country’s general economy by representing trends and market sentiment. When investing in the Canadian stock market, investors are able to buy or sell specific stocks listed on the Toronto Stock Exchange (TSX). However, successfully investing in specific companies requires a lot of time and financial knowledge and comes with great risk. If an investor wishes to invest in Canadian stocks without having to research specific companies, they are able to invest in an index tracker which mimics specific indexes. So if an investor wishes to invest in the top 250 companies listed on the Toronto Stock Exchange every single company listed on the Toronto Stock Exchange, they could invest in an S&P/TSX Composite Index tracker such as the iShares Core S&P/TSX Capped Composite Index ETF created by BlackRock.