Finance Minister Shunichi Suzuki issued a fresh warning Monday about the weakening yen, saying that authorities stood ready to respond to speculative moves behind the currency¡¯s falls.

The remark came after the government¡¯s decision Thursday to intervene in the currency market to stem yen weakness, by selling dollars and buying yen for the first time since 1998.

Suzuki also told a news conference the government and the Bank of Japan were on the same page in sharing concerns about the currency¡¯s sharp declines.