BANGKOK (AP) — Asian stock markets were mostly lower Monday after a disappointing U.S. jobs report, although the Nikkei piled on more gains as the yen’s dramatic fall boosted the country’s powerhouse export sector.

The Japanese yen has weakened sharply in the aftermath of a surprise decision Thursday by the Bank of Japan to overhaul its monetary policy, pledging to double the money supply to achieve a 2 percent inflation target within two years.