Take note of the harsher words coming out of Japan on the yen weakness

Japan's finance minister Suzuki had made comments on the slumping JPY , here:

• Japan finance minister Suzuki says FX intervention is among options (yen buying he means)

Please note these two remarks, which are a significant escalation in rhetoric:

• some speculative moves are behind the recent FX moves
• recent FX moves are clearly sharp and one-sided

These words, "speculative" and "one-sided", are indications of Japanese authorities wanting to halt, or at least slow the yen's slide and are steps along the road to actual forex intervention (i.e. the BOJ buying yen in the market to support it).

Check this out:

• Here's what to watch for to warn of imminent Bank of Japan (BOJ) yen intervention

• The 4 things to watch prior to Bank of Japan FX yen intervention

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A post like this is not complete though without wariness on whether BOJ intervention will be of any value. Earlier post:

Solo Bank of Japan intervention seems unlikely:

• USD/JPY BOJ intervention watch - intervention seen as unlikely without US coordination