April 10 news, the recent US bond shock affected the global financial marekt, trillion US bond basis trading rapid positioning squaring led to violent rise in yields, 10-year and 30-year US bond yields rose more than 50BPs in three days. Market participants said that multiple factors triggered the "collapse" of this round of US debt: hedge funds' large-scale clearance of US debt positions was the main reason, and investors' strong demand for cash-based instruments triggered a large-scale basis t...