Google Finance is an early beta product that offers a broad range of information about North American stocks, mutual funds and public and private companies along with charts, news and fundamental financial data.

How is Google Finance different from existing financial websites?
Google Finance offers an easier way to search for stocks, mutual funds, public and private companies. Further, Google Finance also offers a broad range of company news and information in order to deliver more relevant, unbiased results in a clean, uncluttered user interface.

The AJAX use is really impressive and will probably set a wave of upgrade/rebuild/overhauls in many finance web sites

Screenshots are not enough… Visit to Make yourself believe What google can do.. That is why they are unique.