Japan likely spent an additional 3 trillion yen ($19 billion) to shore up the yen in its second suspected currency market intervention this week, data by the Bank of Japan and market sources showed Thursday.Japanese government officials have remained silent on whether the country stepped into the market again late Wednesday in New York, when the dollar tumbled about four yen in about an hour, hitting a low of 153 yen.The latest estimate brings the total size of suspected yen-buying, dollar-selling operations on Monday and Wednesday to over 8 trillion yen, compared with about 9.2 trillion ye…READ FULL ARTICLE