The yen depreciated vis-Ã -vis the U.S. dollar today as the greenback tested offers around the Â¥93.35 level and was supported around the Â¥92.70 level. Finance minister Yosano reported Bank of Japan should extend its purchases of commercial paper and commercial bonds past the current September deadline. Yosano said €œThe BoJ may not use the window for its emergency measures of buying commercial paper and corporate bonds, but it would be better off keeping the window open.€ BoJ€™s Policy Board convenes again tonight and an announcement to this effect is expected by many BoJ-watchers. The yen gave back gains after Goldman Sachs reported stronger-than-expected second quarter earnings data. New vice finance minister Tango echoed Yosano€™s comments. The Nikkei 225 stock index climbed 2.34% to close at Â¥9,261.81. U.S. dollar offers are cited around the Â¥104.15 level. The euro moved higher vis-Ã -vis the yen as the single currency tested offers around the Â¥130.75 level and was supported around the Â¥129.35 level. The British pound moved higher vis-Ã -vis the yen as sterling tested offers around the Â¥152.45 level while the Swiss franc moved lower vis-Ã -vis the yen and tested bids around the Â¥85.15 level. In Chinese news, the U.S. dollar strengthened vis-Ã -vis the Chinese yuan as the greenback closed at CNY 6.8319 in the over-the-counter market, up from CNY 6.8318.