The Japanese government and central bank said Monday that they would act appropriately to prevent volatile markets from weakening economic activities and to regain market stability after Tokyo stocks plummeted and the yen surged sharply on coronavirus concerns.Bank of Japan Governor Haruhiko Kuroda said financial markets remain unstable and the central bank is prepared to respond to market uncertainty "without hesitation."The comment came as speculation grew in the foreign exchange market that Japanese authorities could move to stem the yen's sharp appreciation. A stronger yen undermines th…READ FULL ARTICLE