2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134255This article summarizes recent research in financial economics about why information, such as earnings announcements, moves stock prices. The article does not presume any prior exposure to finance beyond what you might read in newspapers.http://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=240309 contains background referencesComputers and SocietyInformation TheoryAdaptation and Self-Organizing SystemsPhysics and SocietyH.2; H.3; H.4; K.5text