Taiwan on Monday again denied it had had any tariff talks with the United States that included discussion of exchange rate policy, after the Taiwan dollar surged against the U.S. dollar on speculation Washington had asked for it to appreciate.

The Taiwanese dollar jumped to a multiyear high Monday, extending a recent rally and prompting top officials to deny the

Taiwan’s markets regulator is meeting some of the island’s largest insurers as a skyrocketing local currency piles pressure on hundreds of billions of dollars in US bond investments.