camden, up till just recently i also did not understand this! You have found a great place to learn here. besides investopedia, i went and bought technical analysis for dummies and that also helped.
I feel i owe osprey and ddm1082 a lobster dinner for all their help!
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.