Information and Stock Prices: A Simple Introduction
arXiv:cs/0511098
Abstract
This 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.
arXiv commenthttp://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=240309 contains background references