This case task is constructed for Bachelor students in Business Administration/International Management with advanced finance and econometrics knowledge to practice the application of a regression analysis in testing behavioral finance concepts. In particular, the case task tests for the existence of herd behavior by applying the regression model of Chang et al. (2000) in the case of the Swiss stock market in the period March 2016 – April 2019 by using publicly available daily stock price data and the Stata software.