It is imperative to conduct research in order to perform due diligence on your focus company to know their internal perspective, the industry perspective of their position, and an expert perspective on their performance (such as from an investment analyst report).
Analyst reports
Stock prices
Financial information including annual reports, quarterly reports and associated presentations & transcripts
Company history & overview
Competitors
Company's vision & mission
Management team, board members
Products and/or services
News articles
Internet Resources
COMPANY WEBSITE, SOCIAL MEDIA, & PRESS RELEASES - Public or private, for an understanding of the kind of image and information your company would like to put out/portray, check their website, social media, and press releases.
Databases