If you are looking into stocks and stock mutual funds, it's a good idea to understand risk. This US News article provides a good overview of the basic risk measurements:
There are a variety of risk measures that may come in handy. Of course, these numbers don't tell the whole story, but they may help you determine whether owning a particular investment meshes with your personal risk tolerance.
Ken Tumin5,442 posts since Nov 29, 2009 Rep Points: 123,743