Some of these sources also provide investment reports, which analyze the health and prospects of companies. To learn about the context of a company's work, and to compare a company to its competitors, use industry analyses. A complete industrial analysis usually includes a review of that industries' recent performance, its current status, and an outlook for the future. Many analyses include a combination of text and statistical data. Articles from Periodicals Search for articles from trade journals, business newspapers, and general business magazines.
Articles are an especially important source of information for private companies.
To learn the latest news from a company, search PR Newswire , Business Wire , or the company's web site for press releases. Press releases are self-published, so don't expect to find any bad news in them. Market share can also be defined as the ratio of sales of a company's entire product line to the total sales of all related companies. If you need to know how a particular company ranks against its competitors, or within a geographical area, use one of these sources. There are many possible sources for learning about the history of a company.