Visualizing Market Dynamics: A Guide to Market Trends

The Globalization Inflection Point

Nixon's 1972 visit to China marked the beginning of a multi-decade arc toward globalization that transformed the U.S. trade balance, corporate profit margins, and the structure of global supply chains. The U.S. trade deficit widened steadily from the 1970s onward as manufacturing moved offshore and corporate profits surged to all-time highs — reaching levels as a percentage of GDP not seen since the post-war era.

Trump's tariff regime — if sustained — would signal a reversal of this dynamic not seen since the 1940s. Average U.S. tariff rates, which fell from 43% in the 1930s to near zero by the 2000s, are now rising again. The societal and economic consequences of reshoring supply chains will take years to manifest — but the direction of travel appears to be set.

The Federal Debt Overhang

Interest expense has become the second-largest line item in the federal budget, behind only Social Security. As a percentage of U.S. budget spending, interest costs have risen to 16% — a level that constrains fiscal flexibility and creates a structural bid for Treasury supply regardless of economic conditions.

The coming refinancing wave amplifies this concern: 51% of outstanding U.S. debt matures between 2025 and 2027, much of it originally issued at rates well below the current 10-year average. As this debt rolls at higher rates, the interest burden will continue to compound.

Who Owns the Debt?

U.S. private investors now hold 44% of outstanding federal debt — more than double their share two decades ago. Foreign reserve banks, once the dominant marginal buyer, have been reducing exposure. China has sold nearly half of its U.S. Treasury holdings since Trump 1.0. Meanwhile, central banks globally have accelerated gold purchases as a reserve diversification strategy.

This ownership shift has implications for rates: with fewer price-insensitive foreign buyers, domestic investors — and the Fed — become the marginal price setters. That dynamic changes how rates behave in stress scenarios.

Gold as Signal

Central bank gold accumulation has reached record levels. This is not a fringe phenomenon — it reflects a deliberate strategic choice by the world's largest institutional actors to reduce dollar-denominated reserve exposure. When the most sophisticated reserve managers on earth are making the same trade, it is worth understanding why.

The Tariff History

Average U.S. tariff rates have been near zero for the better part of five decades. The current trajectory — if tariffs are sustained at proposed levels — would represent a structural break from the post-WWII global trade order. The 1930 Smoot-Hawley tariff regime offers a cautionary historical reference: tariff escalation contributed to a collapse in global trade volumes that deepened and prolonged the Great Depression. The context is different today, but the risks of retaliation and supply chain disruption are real.

*Originally published: CS McKee Thought Leadership, June 2025. Download the full report with charts on the Research page.*