US National Debt Tops $40 Trillion, Interest Burden Crowds Out Investment

The US national debt has surpassed $40 trillion, with an increasing share of the federal budget consumed by interest payments, reducing fiscal space for future investments. This milestone underscores the deteriorating debt trajectory, though the immediate market impact is muted as it reflects a gradual trend rather than a sudden shock. The development raises concerns about long-term fiscal sustainability and potential crowding-out effects on growth.