>>84501089The advantageous exchange rates we've enjoyed recently were the result of low interest rates in Japan combined with high interest rates in the US (to combat inflation).
Recently, the Central Bank of Japan announced an increase in the interest rate in order to try and stabilize the yen.
Furthermore, the US economy has now begun to cool, with inflation ticking downwards and unemployment ticking upwards. As such, the Fed is expected to cut rates in the months to come, and the markets are reacting accordingly.
tl;dr
>They were printing money while we weren't >Now we have to switch the money printer back on again 
