I read annual reports of the company I'm looking at and I read the annual reports of the competitors - that is the main source of material.
Warren BuffettInvestors have to remember: corporate profits are going up, but stocks are going up faster. How can that continue indefinitely? Investors can only earn what companies themselves can earn; the government or the markets themselves don't kick anything in. How can you get anything more out of a farm than what it grows?
Warren Buffett