A lot of investors are confused because of the extreme volatility in the stock market. However, the fundamental factors that actually make a stock move up or down over the long term haven't changed despite the advent of high-frequency trading, the 'great recession' or government intervention. They've just made stocks more volatile in the short term. In the following presentation, I'm going to get back to basics and try to explain what fundamental factors actually make a stock move. You'll need the Adobe Flash player to view the video.