To better understand a company, its performance in the market and the factors that affect it, you need to understand the whole picture of that universe. This includes :
Hoovers
Contains company profiles, analyst reports, SWOTs, and market research reports under the NAICS code link..
Example of SWOT analysis from Hoover's:
While many U.S. companies are privately held, financial data is often available for both public and private companies. This can appear in annual reports and SEC (U.S. Securities and Exchange Commission) required financial filings for public companies. These can be found in many library databases as listed on the library database orientation spreadsheet.
Company chronologies, company histories, journals, market research reports, market share reports, rankings, recent news, SWOT reports, videos, industry information. Comparison chart tool.
Covers most business areas: management, marketing, economics, finance, accounting, & international business. Includes company reports, SWOT analyses, working papers, country reports, industry reports, case studies, etc.