TOKYO — Nissan has tapped the head of its China business, Makoto Uchida, as its new president and CEO to help lead a recovery from the leadership crisis and sinking profitability that followed the arrest of former Chairman Carlos Ghosn last year.

TOKYO — Japan’s exports fell 3.8% in December from a year earlier, hit by slowing demand in China, as the trade balance shifted back into deficit for the year, the Japanese government reported Jan. 23.