Parsing Google Finance page data?

Hi,
I'm wondering if anyone can point me to code to parse data on Google 
Finance pages, i.e. parse the results of a URL request such as this
   http://www.google.com/finance?q=apple

I know how to return the contents of the page; it's figuring out the 
best tools to parse it that I'm interested in and hopefully someone has 
already done this.

(For what it is worth, the only info I am looking for are the ticker, 
exchange, currency and "Mkt Cap" datapoint)

Thanks in advance for any help - scraping is not my strong suit.
Matt


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