“…Authors of studies of investment value of analyst recommendations and the market reaction to these publications (Asquith et al, 2005; Bae et al, 2008; Keasler & McNeil, 2010; Li, Ramesh, Shen, & Wu, 2015; Murg, Pachler, & Zeitlberger, 2014; Vukovic, Ugolnikov, & Maiti, 2020b; Womack, 1996) acknowledged the essence of the event study analysis that allows tracking the reactions of the stock market to certain events and news arising from the activities of market participants. As it was mentioned earlier, the core characteristic of the investors' response is abnormal returns and cumulative abnormal returns that occur around the event.…”