A sudden spike in volatility in Japanese government bonds (JGBs) – long seen as among the world’s safest assets – is stoking concern that risk aversion is rippling through Asian markets across asset classes, according to analysts. Investors have repriced the term and risk premiums on JGBs as fiscal worries that started simmering last year have flared again after Prime Minister Sanae Takaichi pledged tax cuts and higher spending. [...]