Business information is synthesized, analyzed, written about, reported on, packaged, and re-packaged by a wide variety of outlets. Again, the availability of information depends on a number of factors but it is worth your time to check to see what's available. These resources can save you vast amounts of time and energy; searching the open web for relevant news and articles can be particularly daunting when you consider the incredible amount of content that is created and added to the internet every day.
From Investopedia.com: "A white paper (whitepaper) is an informational document, usually issued by a company or not-for-profit organization, to promote or highlight the features of a solution, product, or service. White papers are often written as sales and marketing documents used to entice or persuade potential customers to learn more about or purchase a particular product, service, technology or methodology."
Often the most useful method for finding white papers is to use Google. For example, I could use the search phrase
"sport sunglasses" "white paper" filetype:pdf
to find PDF versions of white papers written about sport sunglasses. Limiting the search to certain file types can help cut down on the "noise", or material you likely will not want.
In addition to using the internet to search for this type of business publication, here is a free database that specializes in white papers: