• Zacks Investment Research is an American company producing independent research and investment content.
  • Zacks was founded in 1978 by Len Zacks, Ph.D. scientist at the Massachusetts Institute of Technology.
  • Zacks Research is known for its focus on earnings revisions, which Len Zacks called “the most powerful force influencing share prices.”
  • The company is known for “Zacks Ranks”, rating stocks on a scale of one to five. Rank #1 means “Best Buy”.
  • In addition to “Zacks Ranks” for stock prices, the company has also introduced ratings for mutual funds and ETFs.