Resources:
The following links should be helpful in finding terminology and in investigating different stocks.  You may also use the newspapers or books that are published.

http://www.marketguide.com/home.asp
http://www.dowjones.com/corp/index.html
http://moneycentral.msn.com/investor/market/leading.asp
http://news.moneycentral.msn.com/briefing/StockTicker.asp
http://moneycentral.msn.com/investor/research/welcome.asp

NY Times
Market Wire
Forbes
CBS Market Watch