EN
Every day analysts and news agencies publish forecasts of important macroeconomic indicators. When the announced value of an indicator differs from its forecast, investors must revise their strategies. The strength of investors’ reaction depend on the difference between expectations and the true value of the indicator. In this paper we analyze the reaction of investors on the WSE to U.S. macroeconomic news announcements. We compare the strength of the reaction when forecasts are based on information from different financial services.