Currently 2,415 stocks, 96 ETFs and 117 stock indexes are included in the Yearly Stock Returns Index. The Yearly Stock Returns Index (YSRI) shows how an individual stock or major stock market has performed on a yearly basis. The yearly returns are based on the closing price at the end of the previous year to the closing price of the selected year. The Dow Jones Industrial Average is one of the most closely watched U.S. benchmark indices. It is a price-weighted index which tracks the performance of 30 large and well-known U.S. companies that are listed mostly on the New York Stock Exchange. The Dow Jones Industrial Average has a base value of 40.94 as of May 26, 1896.. The Stock Market & Sector Performance page gives you a quick glance at the overall state of the U.S. market segments. A 1-year chart of the S&P 500 Index, showing percent comparisons against the 11 S&P Sectors is shown at the top of the page. Use the checkboxes to show or hide certain sectors.