StockCharts.com provides ready-to-access charts (for example, a chart of the Dow Jones Industrial Average back to 1900) and free charting tools to do your own market analysis. Registration is required for most functions.
(Online) Library Resources for Stock Performance for Public Corporations
The Stock Reports provide information on over 6000 publicly-held U.S. corporations. Each report includes key stock statistics and a very informative business description. To access the reports, choose "Stock Reports" from the "Publication Search" box, or search for a company profile, and then choose the stock reports. NOTE: The company profiles link to a section on "How to Analyze" a company.
Mergent includes EDGAR (SEC) filings, several years of annual reports, and extensive financial information. The Sawyer Library has three licenses for simultaneous use of Mergent Online; when ending the session, be sure to choose "Logout."
Value Line is one of the most trusted tools for investment research on companies and their stocks. Approximately 1,700 stocks are covered. Each company receives a single page (also in PDF format) which provides P/E ratios, rankings for safety, and projections for future performance.
Established in 1792, the NYSE is the largest stock exchange in the world in terms of dollar-volume. According to the NYSE Facts & Figures, the NYSE is home to over 2,700 companies. The stock look-up provides the last trading price, the 52 week high and low, the current P/E ratio and beta coefficient. In 2007 the NYSE merged with Euronext, and in 2008 they acquired the American Stock Exchange (Amex).
Established in 1971 to serve companies, often start-up high-techs, that are too small to meet the requirements for listing on the NYSE or the Amex. It accounts for the majority of value and volume of OTC stocks traded.
This website provides data on ADRs (American Depositary Receipts) world markets, and global indices, and it offers a glossary of this specific finance field. (Note: You must accept their agreement to access the site, but it is otherwise free.)