Japan warns again of taking steps against volatility, yen swings

Japan on Monday again warned of taking the necessary steps to counter excessive volatility in the currency market, with the yen's subsequent spike against the U.S. dollar sparking market speculation that Japanese monetary authorities intervened again.The government did not confirm whether another yen-buying, dollar-selling intervention was carried out on Monday, only days after it stepped into the market by spending as much as 5.5 trillion yen ($37 billion) estimated by market sources, the largest ever.Top currency diplomat Masato Kanda said authorities were ready to respond "appropriately"…READ FULL ARTICLE