The Japanese yen has weakened significantly against the dollar in 2022.Stanislav Kogiku | SOPA Images | LightRocket | Getty ImagesThe currency has languished alongside continued strength in the greenback as Federal Reserve rate cut expectations get pushed back. The Fed's preferred inflation gauge came in slightly hotter than expected on Friday, underlining the difficulty the U.S. central bank faces in tackling sticky inflation.The yen has traded around 150 or weaker against the dollar since the Bank of Japan ended its negative interest rate regime in March. On Friday, the central...