The US Dollar is by the most powerful currency in the world, and the US economy is so intertwined with the world economy that a minor fluctuation here and there creates a ripple effect all across the world!! and that is why every time the fed hike or decrease the rates, every time the us economy up and down it goes on to create headlines in every single newspaper, the stock markets around the world go up and down and most importantly, the life of more than 3 billion people gets affected!!
Credit to : Think School