美银行坏账引爆避险潮，美日跌破150大关

Group 1 - The Japanese yen strengthened against the US dollar, causing the dollar to fall below the 150 mark, driven by increased demand for safe-haven assets due to bad loans at two US banks [1] - The dollar-yen exchange rate dropped over 0.5% to around 149.63, marking the lowest level since October 6 [1] - The Swiss franc also appreciated, while the US dollar and US Treasury yields declined amid a sell-off in regional bank stocks [1] Group 2 - A week prior, the yen had fallen to its lowest level since February after the election of a new leader for the Liberal Democratic Party and subsequent political instability in Japan [2] - Market focus is on the formation of Japan's coalition government, particularly the potential agreement between the Liberal Democratic Party and the Japan Innovation Party [3] - Political uncertainty has diminished expectations for a rate hike by the Bank of Japan this month, although the Bank's governor indicated a willingness to tighten policy if economic confidence improves [3]