Computers That Trade on the News

I missed this one around Christmas time...must have been the drive up to Prince George.

In the NY Times:

The number-crunchers on Wall Street are starting to crunch something else: the news.

Math-loving traders are using powerful computers to speed-read news reports, editorials, company Web sites, blog posts and even Twitter messages — and then letting the machines decide what it all means for the markets.

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