Dollar Slips as Treasury Boosts Long-Term Bond Purchases

The US dollar weakened against major currencies on Tuesday after the Treasury Department announced an increase in its long-term bond purchases. This move shifts the supply-demand balance in the bond market, reducing upward pressure on yields.

The Treasury's decision to boost the size of its longer-dated debt auctions, particularly in the 10- and 30-year sectors, has increased the supply of these securities. In a market already absorbing heavy issuance, this added supply tends to push bond prices down and yields up.

The dollar's decline suggests that traders are interpreting the move as a sign that the Fed may need to keep rates lower for longer to manage the fiscal burden. The ICE Dollar Index, which measures the greenback against a basket of six major currencies, was down 0.3% at 103.2 on Tuesday.