US Treasury yields climbed Monday as investors positioned ahead of Thursday's release of the May personal consumption expenditures price index, the inflation gauge the Federal Reserve weighs most heavily in setting interest rate policy. The 10-year Treasury yield rose more than 3 basis points to 4.483%, while the 2-year yield increased by a similar margin to 4.213%, reflecting growing market focus on near-term Fed policy direction.

The move builds on a hawkish repricing that began last week, when the Federal Open Market Committee held its benchmark federal funds rate steady at 3.50% to 3.75% but released updated economic projections showing nine of nineteen officials now anticipate at least one rate increase before the end of 2026. The committee's updated dot plot also raised its year-end forecast for the PCE price index to 3.6%, up sharply from a prior projection of 2.7%, with core PCE expected to end the year at 3.3%.

New Fed Chair Kevin Warsh, in his first press conference since taking over the central bank, delivered an unusually brief 130-word policy statement that excluded explicit forward guidance, a stylistic shift analysts interpreted as a deliberate effort to preserve flexibility for future policy moves. 'If we do our job, we can make strong growth, low prices, and strong employment mutually compatible,' Warsh told reporters, adding that the committee still has 'some work to do on the price stability front.'

Economists expect Thursday's core PCE report, which excludes volatile food and energy components, to show a modest acceleration from April's reading, when the index registered 3.3% on an annual basis and 0.24% month over month. A hotter-than-expected print would likely reinforce market pricing for a fall 2026 rate hike, while a softer reading could revive hopes that the Fed's June hawkish pivot proves temporary.

The inflation data carries particular significance given the cross-currents at play in energy markets this week. Crude oil prices have fallen on signs of progress in US-Iran negotiations, a development that would typically ease inflationary pressure, but economists caution that the bulk of the conflict-driven price spike has yet to fully unwind, leaving open the question of how much relief shows up in May's data specifically.

Sectors most directly exposed to the rate path continue to bifurcate along familiar lines. Financials, including major banks and regional lenders, tend to benefit from a higher-for-longer rate environment through improved net interest margins, while growth-oriented technology names with limited near-term earnings face increased pressure on valuation multiples as discount rates rise. Short-duration fixed income has also drawn renewed investor interest as a way to capture elevated yields while limiting duration risk ahead of Thursday's data.

The dollar index rose roughly 1% in the wake of last week's Fed meeting as the prospect of a more hawkish policy path drew currency flows toward US assets, even as Treasury markets digested the prospect of fewer rate cuts and a longer path back toward the Fed's 2% inflation target.