Using the number of queries entered into the search engine Google, one can predict the situation on the stock exchanges. Scholars have noted, for example, that a pattern - Now One U.S. index falls, if a search engine often clog words such as "debt", "portfolio" or "action." You can also predict the behavior of investors.
This theory was published in the journal Scientific Reports. This connection between the activity and the state of search share is one of the researchers explained the fear of loss.