US consumer price inflation edged higher in December as temporary distortions linked to government shutdowns faded, reinforcing expectations that the Federal Reserve will maintain its current interest rate policy. The Consumer Price Index rose 0.3% in December, matching economist expectations, while annual inflation remained steady at 2.7%, unchanged from November.

December Inflation Data Overview

The Labor Department's Bureau of Labor Statistics revised its estimates for price increases between September and November to approximately 0.2%, suggesting a smoother underlying inflation trend than earlier data indicated. The December figures confirmed that inflation is neither accelerating sharply nor cooling fast enough to prompt immediate monetary policy changes.

Market Response and Federal Reserve Implications

Financial markets reacted cautiously to the inflation report, with US equity futures paring earlier losses as investors took comfort in signs of stabilizing rather than reaccelerating inflation. Treasury yields declined, with the benchmark 10-year yield easing to around 4.17%, reflecting modest relief that inflation did not surprise on the upside. The US dollar softened slightly, giving up part of its earlier gains as traders reassessed interest rate outlook.

The data strengthened market expectations that Federal Reserve policymakers will opt for a pause rather than a rate cut this month. While price pressures have moderated from their peak, they remain above the Federal Reserve's long-term target, limiting the central bank's flexibility in the near term.

Underlying Price Pressures and Market Analysis

Market participants broadly interpreted the data as supportive of the view that inflation follows a gradual downward path, though not yet at levels justifying immediate policy easing. The December numbers helped calm fears that inflation would rebound sharply once earlier distortions unwound, instead suggesting continuation of the slow disinflationary trend.

Underlying pressures remain visible in several areas:

• Housing costs: Shelter-related expenses remain elevated with little improvement in affordability
• Trade-related effects: Limited tariff pass-through continues contributing to price stickiness
• Global factors: Rising government bond yields in major overseas markets, including Japan, add upward pressure on US long-term rates

Economic Outlook and Policy Expectations

Bond investors viewed the CPI data as mildly supportive, particularly at the short end of the yield curve, which shows greater sensitivity to Federal Reserve policy expectations. However, global dynamics remain an important variable influencing longer-term yields and investment decisions.

Economists remain divided on timing for potential rate cuts in 2026. While December's inflation report provided little justification for immediate moves, it reinforced expectations that easing could begin later in the year if downward price trends continue. Many analysts believe policymakers will seek further confirmation from upcoming data, particularly January inflation readings, before signaling any policy stance shifts.

The December CPI report provided reassurance that inflation is not reaccelerating while underscoring the Federal Reserve's cautious approach. The balance between moderating inflation and persistent price pressures leaves the central bank firmly in wait-and-watch mode, with markets increasingly focused on when rather than whether rate cuts will eventually arrive.

President Trump escalated his criticism of Federal Reserve Chair Jerome Powell, calling him either "incompetent" or "crooked" following a Justice Department criminal investigation into the central bank's headquarters renovation project. The sharp rebuke came as Trump departed the White House for an economic speech in Detroit on Tuesday.

Trump's Direct Attack on Powell

"He's billions of dollars over budget, so, either he's incompetent or he's crooked," Trump told reporters. "I don't know what he is, but he certainly doesn't do a very good job." The comments represent a dramatic escalation in the administration's attacks on the Federal Reserve and raise fresh concerns about the institution's independence.

Justice Department Investigation Details

The criminal probe centers on the Federal Reserve's headquarters renovation project and Powell's congressional testimony regarding the matter. Powell revealed on Sunday that the Justice Department had served the Fed with grand jury subpoenas related to the investigation, which was first disclosed over the weekend.

Bipartisan Congressional Pushback

The investigation has prompted significant opposition from Republican senators, threatening to complicate Trump's efforts to nominate Powell's successor. Key congressional responses include:

Former Officials Condemn Investigation

Three former Federal Reserve chairs and four former Treasury secretaries from both Republican and Democratic administrations issued a joint statement condemning the investigation. They declared that "it has no place in the United States whose greatest strength is the rule of law, which is at the foundation of our economic success."

Powell's Response and Fed Independence Concerns

Powell characterized the renovation investigation as "pretexts" for broader political pressure regarding interest rates. "This is about whether the Fed will be able to continue to set interest rates based on evidence and economic conditions—or whether instead monetary policy will be directed by political pressure or intimidation," he stated on Sunday.

Trump had previously told NBC News he didn't know about the subpoenas, appearing to distance himself from the investigation. However, he has consistently criticized Powell and demanded lower interest rates, stating he won't select a new chair unless they commit to rate reductions. Powell's term as chair ends in May, and Trump is currently considering potential successors.