If you're interested to learn about the stock market, this site provides some information about understanding how to reduce risk when you invest. For other aspects of it, there are lots of good resources online, such as listed here are some good stock sites for learning about the stock market:
invest-faq.com,
wikipedia,
or
howstuffworks.
This site concentrates on stock volatility, how to reduce its effects when investing, and examining how stocks correlate, or "move" with each other. Stocks tend to track each other closely, others tend to move more independently of each other. In understanding investment of many stocks, it's important to see how your total return will be affected by these correlations.
By registering, you can download a very cool applet, that lets you track co-movement of stocks, and see how stocks are closely related in terms of price movement.
Minimizing risk is a difficult thing to do, and financial companies will use specialized risk analysis tools such as from MSCI-BARRA to help them do this difficult job. It is one of the most crucial aspects to understanding investment.
Aside from this are more basic things to understand, such as the basics of reading stock charts, understanding price per share, what makes stocks rise or fall in value, definition of NASDAQ and other stock exchanges. What is an ECN, the Dow Jones, and the S&P 500?
So, after reading these resources, instead of thinking "Where Can I Learn About the Stock Market?", you can move onto the next level and start understanding stock risk with our free stock comparison download.