Japan's Finance Minister Katayama warns of decisive forex intervention as yen hits 40-year lows. What the $72B prior intervention and US coordination mean

The Japanese yen weakened past ¥162 per dollar for the first time since 1986, reigniting speculation about currency intervention after Japan spent $72.5B

Japanese Finance Minister Satsuki Katayama said authorities were ready to respond appropriately at any time, without giving stronger signals. The sharp decline has fuelled growing…