Japanese officials say they are closely watching to see if China keeps its promise to prevent further violations of Japan’s airspace after explaining that an incursion by a Chinese military aircraft nearly three months ago was unintentional and caused by turbulence.

Japan's exports expanded faster than expected in October, led by a pick-up in chip equipment demand in China, though fears persist over potential U.S. protectionist trade policies that could hamper future shipments.

Japan’s exports rebounded in October but there are doubts if exports will keep strengthening amid uncertainties surrounding the global economy and U.S. trade policy.

Japan's trade deficit expanded to 461.2 billion yen ($2.98 billion), compared to September's revised figure of 294.1 billion yen.