Try Statista, a statistical database:
Then, try these government websites:
These business databases offer information about publicly-traded companies, such as Starbucks or Twitter. You can also research industry trends for casinos and the gaming industry, for instance.
Download charts and graphs about your company with Yahoo Finance.
Use your computer's Snipping Tool accessory to grab chart images.
Some of the links below lead to library databases. Check out these links for tips if needed: