SUMITA WELCOMES U.S.-JAPAN AGREEMENT ON LOUVRE Bank of Japan governor Satoshi Sumita said he welcomed Monday's U.S. And West German joint confirmation of their commitment to the Louvre accord. Sumita said in a statement that world stockmarkets were excessively concerned about the economic future. The Bank of Japan will continue to adhere to a system of policy coordination based upon the Louvre accord of February, he said. The accord called for stability in foreign exchange rates. Exchange rates generally are regaining stability and the economies of industrialised nations are heading for a steady recovery, he said.