In the past weekend, member of the Board of Governors of the Federal Reserve (FED) Christopher Waller warned that the FED may have to raise interest rates higher than expected if related issues cannot be cooled down. It shows that the world's No.1 economy is still facing difficulties and this move will cause many consequences for the global economy.

The International Monetary Fund (IMF) warned that central banks must act decisively to bring inflation back to target levels, as this key economic indicator is now at its highest level in decades.