Introduction. The network economy is developing in the conditions of geopolitical conflicts, military confrontation, the growth of public debt, and the scaling of investment attraction and investment through the use of technologies, products, and processes using network electronic interaction. An important place in the financial sector is occupied by the stock market, which in the conditions of digitalization opens up wide opportunities for investment activities of international donors, and institutional and private investors to restore the economy of Ukraine. Purpose. The purpose of the article is to consider the key problems of information provision of investment activities on the stock market, taking into account new regulatory provisions on capital markets, financial services, financial companies, and trading of financial instruments at operators of organized capital markets using network electronic interaction to increase liquidity. Method (methodology). The theoretical and applied basis is the scientific works of foreign and Ukrainian scientists researching the network economy, market microstructure, investments; modern statistical and information base of the stock market. The methods of dialectical logic, critical and scientific analysis, graphic, structural-functional, and expert evaluations are applied. Results. The relationship between the network economy and the stock market regarding the formation of a developed market microstructure, innovativeness, promotion of business activity, algorithmization of an integral set of quantitative and qualitative characteristics of investment activity, creation of new stock instruments and products are revealed. Attention is focused on reforming state regulators, taking into account the trends of digitalization of processes, and canceling the adjustment of regulatory acts, which makes it possible to direct investment policy to the coordination of geo-economic fragmentation of investments during the recovery of the economy. The methodical and applied approaches of information support for attracting investment from donors and stock market participants in reconstruction projects by the four freedoms regarding the movement of capital, goods, services, and free movement of the labor force are characterized.