http://www.google.de/search?q=Predictability+of+Stock+Returns+in+Real+Time&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

http://www.google.de/search?q=Predictability+of+Stock+Returns+in+Real+Time&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a