Because the U.S. president sells out allies and is pro-Russian, it has led to a conservative attitude towards the U.S. economy, with people buying government bonds and being hesitant to make risky investments. The Federal Reserve is not lowering interest rates, Buffett is liquidating his U.S. stocks, the market is sluggish, and Japan, which holds the most U.S. debt, is facing an economic crisis. If they want to break the deadlock, they may significantly sell off U.S. debt, so it's a combination of factors.