Donald trump won the presidency of the United States with the support of working-class and socially conservative white voters on the populist economic nationalist platform. Trump refused the republican traditional pro-business, close trade agenda, just as left-wing Bernie Sanders (Bernie Sanders), called for by the disruptive technology and the policy of "globalism" to free trade and migration of americans. Investment in securities provides an important channel for the society to raise funds, which is an effective way for enterprises to raise direct financing. Interest rates are an important tool for regulating monetary policy, and they are also used to control economic growth, such as investment, inflation and unemployment. Reasonable interest rate plays an important role in the economic leverage of social credit and interest rate. Hybrid car Targeted. The plan is formulated in accordance with the principles, policies and relevant laws and regulations of the party and the state, and formulated in accordance with the actual situation of the system and the department. The purpose is clear and instructive.