Standard & Poors NetAdvantage is a full suite of tools for people wanting to research companies for potential investment. It's the electronic version of the old paper notebooks with company profiles, details, and a real-time stock ticker.
It would be extremely expensive for an individual to have their own access, but you can use the library's subscription for free with your library card.
Start here: http://www.hutchpl.org/research/databases
Scroll to the bottom of the list and you'll see a description with the instruction that to access outside the library walls, you have to have a library card to log in. It's free for you to use at home by logging in with your library card.