Neat interactive tool to explore relative influence of various products on a company's stock price available from trefis.com. Once you sign up for a free account, you can alter trend lines to build your own stock price estimates.
We learned of this through Information Aesthetics e-mail alert received on April 2:
Trefis: Understanding How Products Influence Stock Price
Posted: 31 Mar 2010 10:22 PM PDT
"Trefis [trefis.com] offers visual snapshots that demonstrate the relative importance of products that comprise a specific company's stock price. People can interactively personalize any forecast using their local knowledge or expertise to build conviction in a stock price estimate or ask questions and vet opinions on specific forecasts with experts and friends."