Japan’s Nikkei 225 index tumbled by more than 4% on Monday, driven by a combination of underwhelming industrial production figures and the market’s reaction to the election of new Prime Minister Shigeru Ishiba.

Advocate of 'Asian Nato' to counter China who also seeks more balanced US ties could ruffle feathers on either side of Pacific, analysts say Shigeru Ishiba, in line to become Japan's next prime minister,