The Finance application is available from the Metro interface.
The live tiles show information about the DOW, Nasdaq and S&P.
Clicking on the tile, you are transported into a combination of graphics and Metro tiles.
You can see the Bing Finance Indices and News.
You can put a bunch of stocks on your Watchlist.
You can see the Market Movers and take a broad look Across The Market.
It also shows current Rates.
And you can see top Fund Picks.
A pretty comprehensive Finance app that comes with Windows 8 for free.