who is zacks
DEFINITION of 'Zacks Investment Research' A company, founded in 1977, dedicated to providing professional investors with the financial data and analysis needed to make better speculative decisions for themselves and their clients. Zacks is probably known best for providing an extensive array of consensus earnings-per-share (EPS) estimates. However, the company also offers research reports, recommendation summaries on various stocks, stock prices, charts and tables and a host of other investment tools and data.