It refers to the decision of the Federal Reserve System governing Board to increase the federal funds after its meeting in Washington.
In simple terms, a rate hike is a tightening policy, raising rates in response to the current economy.
Generally, interest rate increases can raise bank interest, thus reducing, will appreciate.
Another way of raising interest rates will have an impact on the economy. For example, in the future, the price of gold will fall, and people will be more willing to hold dollars.
Other countries’ currencies will depreciate and so on.