“…As already mentioned, the active study of the impact of news about dividend payments, as well as actual dividend payments on the value of company shares begin in mid-20 th century, however, research mostly concerns developed markets, for example, the United States [4]. In regard to the Russian market, a limited number of studies have been conducted, including those by I. Berezinets et al [5], E. Rogova and G. Berdnikova [6], and T. Teplova [7]. That is, the study of the developing countries' markets, in particular, Russia, is not heeded sufficient attention.…”