The Tokyo Stock Exchange begins the session lower, in anticipation of the end of the fiscal year in Japan (March 31) At the opening, the Nikkei index lost 1.12% to 40,307.87, with a loss of 454 points, despite last night's record on Wall Street. The warnings from the Japanese monetary authorities about the excessive volatility of the yen caused the Japanese currency to regain strength against the dollar, at 151.30, and against the euro, at 163.50.