But even at its lowest point, interest rates were just 0.18 percentage points higher, not a quarter-point rise in interest rates. Investment in securities is conducive to adjusting capital investment and improving the efficiency of capital use, thus guiding the rational flow of resources and realizing optimal allocation of resources. Suppose a speculator decides to enter the foreign exchange futures market. He is going to take out $10,000 to speculate. He selected the broker bank and registered representative, opened an account, and deposited the money. To be on the safe side, he decided to do sterling business first and then gain some experience before entering other markets. Of course, for ordinary people, the yield is 3.9% or 4%, not much. But for yu 'e bao, which has 1.56 trillion yuan, the difference is significant. Labour minister John MacDonald (John McDonnell), said the international monetary fund, according to a report of a conservative government "good at cuts in public services, tax breaks for a few rich people, but no hope to invest in our country for the majority of people skills and infrastructure needed for the economic development".