亚洲股市下挫，美日长债收益率飙升，日元承压，现货黄金持稳

Group 1 - A global bond sell-off is intensifying due to a surge in corporate debt issuance and concerns over fiscal conditions in developed countries, affecting U.S. Treasuries, European bonds, and spreading to Japan [1][2] - The record corporate bond issuance, with at least $90 billion in investment-grade debt issued globally, has made this week one of the busiest in the credit market this year, with European issuance reaching a record €49.6 billion in a single day [2][3] - The rise in bond yields is diminishing the attractiveness of stocks, leading to pressure on Asian equity markets, while the Japanese yen weakens amid domestic political uncertainty [1][2] Group 2 - In Japan, local political uncertainties are exacerbating bond market pressures, with concerns over the potential resignation of a key ally of Prime Minister Shigeru Ishiba, increasing political volatility [3] - The upcoming 30-year government bond auction is causing cautious sentiment among investors, contributing to selling pressure on long-term bonds, with the 30-year yield reaching 3.28%, the highest on record [3] - The U.S. yield curve is under pressure to steepen, with analysts noting that the long-term yields are rising faster than short-term yields, influenced by various factors including upcoming employment data [7][8]