Finance

Provides good background information on American Depository Receipts (ADR) and American Depository Shares (ADS), as well as info on the most active issues, performance, and a very nice interactive charting tool. You can view ADRs by industry, country, or region. and the lists show the issue, symbol, exchange, industry, etc. Also, allows to search for DRs by institutional ownership and dividend paying issuers.

Find background information, index data including intraday and historical performance, current companies that make up DJIA and their weights, and analysis including risk/return rate and cumulative return. Also, includes FAQs, facts including names of companies included in DJIA from 1884 to present, tabular data showing Dow’s performance after major world events including big rises and falls, best and worst DJIA years, and milestones.

The Russell Company provides a number of indices, including the Russell 2000, a benchmark for the performance of the smaller publicly traded companies and Russell 3000 which measures the performance of the 3,000 largest U.S. companies based on total market capitalization. The web site provides constituent list of companies, facts, and statistics about the various Russell indices.

Provides information on all major U.S. and global S&P indices including S&P 100, 500, 1000, MidCap 400, and SmallCap 600. For each index, you can find a fact sheet and downloadable data including a list of companies that constitute each index, closing values, month end data and more

This page from University of Chicago Library provides a comprehensive listing of stock exchanges from around the world.

While not all information is for free, you can search by ticker to find company reports including charts, earning estimates, fundamental ratios, industry ratios and growth rates.