I'm an investor and have noticed stock charting capabilities evolve towards a good direction during the Web 1.0 to Web 2.0 era.  Although stock charts are nothing new, I came across a nice site that allows users to embed their own customizable charts from Wikiinvest.  It's actually a pretty powerful widget that allows you to hold the mouse down over the chart and you can pan it from left to right. You can also hover over the charting line and you will get the price, date, price, and volume, information.  Best of all..., it's created using Adobe Flex technology and a Wiki.  Very Web 2.0!  Take a look at the Boeing stock below: