Core Viewpoint - Markets are increasingly concerned about Japan's potential "tail risk" of entering a negative economic spiral, characterized by monetary tightening lagging behind inflation and a weak yen exacerbating price increases [1] Group 1: Economic Concerns - The risk of a negative spiral is heightened by the combination of monetary policy and inflation dynamics in Japan [1] - A weak yen is contributing to rising prices, which could further complicate the economic landscape [1] Group 2: Market Reactions - Investors are closely monitoring these developments, indicating a growing unease regarding Japan's economic stability [1] - The situation reflects broader market anxieties about the effectiveness of monetary policy in controlling inflation [1]