The dollar, meanwhile, was mixed in slow foreign-exchange trading.
The system was designed to bring, and had brought, stability to European foreign-exchange trading.
The importance of foreign-exchange trading to some banks has been demonstrated by Bankers Trust.
The dollar finished mixed as the widening trade deficit unsettled foreign-exchange trading.
Treasury securities fell for a second straight day yesterday, hurt by the dollar's decline against the yen in foreign-exchange trading.
The dollar finished slightly lower in foreign-exchange trading yesterday.
The company's profits in foreign-exchange trading rose by 71 percent, to $68.8 million, from $40.2 million.
Eased concerns over the euro bolstered the dollar against the German mark in foreign-exchange trading.
By the first half of fiscal 1989, the bank had only the fourth-highest pretax income among Japanese banks from foreign-exchange trading.
Eased concerns over a possible delay bolstered the dollar in foreign-exchange trading today.
