Complex sentence: For example, research firms are sometimes separated into two categories, "brokerage" and "independent;" the independent researchers are not part of an investment firm and don't have the same incentive to issue overly favorable views on companies.
Split into simpler sentences: For example, research firms are sometimes separated into two categories, brokerage and independent. Independent researchers are not part of an investment firm and so don't have the same incentive to issue overly favorable views on companies.