Can Wikipedia predict the stock market? Computer says yes

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Online encyclopedia Wikipedia could be used to indicate future movements in the stock market, a new study has suggested.

Researchers from Warwick Business School in the UK and Boston University in the US used historical analysis of the site's data to show a correlation between the popularity of finance-related articles on Wikipedia and the movements of the Dow Jones Industrial Average. The study looked at the frequency with which 30 pages describing companies in the index including Procter & Gamble, Bank of America and the Walt Disney Company were viewed and edited between December 2007 and April 2012. The findings found that increased views of these pages on Wikipedia were linked to stock market falls....

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