Contemporary operations of corporations, especially those operating globally on diversified markets, heavily depend on the dynamics of market movements and market unpredictability. This issue is well understood among the top companies with the "Big Tech" titles: Amazon, Alphabet (Google), and Meta (Facebook). The past three years, from 2019 to 2022, represented a period of challenges marked by global events such as the Covid-19 crisis, the war in Ukraine, and inflationary and energy issues in 2022. These challenging and tragic circumstances underscore the crucial role of Managerial Economics in dealing with risks, whether they are of a microeconomic or macroeconomic nature. The Covid-19 crisis, with its greatest impact in 2020 and 2021, followed by inflationary and energy challenges in 2022, raised questions for companies about preserving profitability and competitive positions in a turbulent market. In these exceptionally complex conditions, Managerial Economics becomes a vital tool, whose application requires timely and effective use. It is explained as the integration of economic theory, decision science, and various managerial functions, providing a framework for assessing the impact of internal and external factors on business decisions. Risk management becomes a key imperative for the sustainability and success of companies in the modern business environment. In this context, Managerial Economics becomes an indispensable discipline for in-depth analysis, planning, and decision-making to ensure optimal resource management and achieve desired business goals in the short and long term. Furthermore, research in the field of managerial economics encompasses various perspectives. One crucial approach is the management of company costs with the ultimate goal of cost optimization and profit maximization. This theory represents a key component in analyzing how companies successfully manage costs in a changing business environment. Additionally, research on the strategic adaptation of companies in dynamic circumstances and the preservation of competitive advantages represents fundamental issues to be explored in this work. Understanding how corporations like Alphabet, Amazon, and Meta made key business decisions in conditions of unpredictability and market dynamics is of utmost importance for adapting business strategies in the future.