This report offers a comprehensive analysis of international trade, finance, and investment, exploring the dynamics of financial markets and capital allocation in both domestic and international contexts. It delves into the structure of financial markets, differentiating between equity and debt markets and their respective roles in capital distribution. The report examines capital allocation strategies within domestic economies, focusing on the roles of central banks, monetary policy, and the interplay between domestic money markets and stock exchanges. Furthermore, it investigates the allocation of capital in the international economy, highlighting the significance of commercial banks, bond markets, foreign exchange markets, global stock markets, derivatives, and non-banking financial institutions. The report also provides insights into trade, finance, and investment theories, including Ricardian trade theory, opportunity cost, and comparative advantage. In addition, it assesses the contributions of organizations like the World Trade Organization (WTO), regional trade agreements, and foreign direct investment (FDI) to international trade. The second part of the report focuses on BRICS nations, with a specific emphasis on China's economic growth, the challenges stemming from industrialization, and the impact of the WTO on China's development.