For those of you who like to keep a constant eye on your investment portfolio and use Firefox as your browser, take a look at the StockTicker extension.

This extension is pretty simple to use. You just add the symbols and/or indexes in you want to monitor and set both a refresh and rotation (how often the stock symbols rotate from one to the next) time in the options and off you go. You can place the constantly updated ticker data in either the status bar or in a custom tool bar.

Go ahead and drive yourself crazy with this one…