http://www.bing.com/images/search?q=waterfall+charts&id=08EB5F1CE1BE8D4A0DAEAC74FD3D92BE8CE862A6&FORM=IQFRBA This is a typical chart for sales forecasting and risk management
We have tried to implement Customized waterfall chart using Stacked Column Chart. Yes it is not very intuitive . However, serves the purpose.
