Yen sinks as effect of US-Japan intervention fades
Currency gives up roughly half its gains from joint action with investors citing lack of ‘unified voice’ among central banks
Source: Financial Times
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DW NOTE
Joint intervention without joint policy is just synchronized selling. The BOJ wants yield curve control, the Fed wants optionality, and now the market knows it. When central banks can't agree on what comes after the headline, the headline doesn't last.