FOREIGN EXPERIENCE OF INNOVATIVE FINANCIAL INSTRUMENTS IN THE STOCK MARKET Authors O. Yefymenko https://orcid.org/0009-0006-9336-1172 DOI: https://doi.org/10.32702/2306-6814.2026.8.524 Downloads pdf (Українська) Published 2026-04-21 Issue No. 8 (2026): Investytsiyi: praktyka ta dosvid Section Статті