Industry may be defined as a group of companies that are related based on their primary business activities. They produce similar products or provide similar services. Investopedia offers a valuable introduction in the industry definition:
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Aggregator: a type of a database that provides different kinds of 3rd party content from multiple publishers and publications, including articles from scholarly journals, trade publications, magazines, newspapers, market research reports, and more. Review options under Document Type, Publication Type, etc.
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