The Tariff Chaos Has Been Real. The Earnings Impact Has Not.

The tariff chaos has been real. American corporations' response has not been.

Since January 2025, the United States has changed its tariff policy more than 50 times. The Supreme Court struck down the broadest tariffs on February 20, 2026 in Learning Resources, Inc. v. Trump, ruling that the International Emergency Economic Powers Act does not grant the president authority to impose them. The administration immediately replaced them with other legal authorities — only for the Court of International Trade to strike those down too, on May 7. New Section 301 tariffs covering 60 economies took effect on July 24. The effective tariff rate hit a peak of 15.8 per cent in late 2025, fell to below 7 per cent in May 2026, and is now rising again.

Any of these events alone would merit an investment article. Taken together, they describe a trade policy that no supply-chain manager, no CFO, and certainly no equity analyst could model with confidence. The natural assumption is that this kind of volatility should show up in corporate earnings as margin destruction, hiring freezes, and earnings misses. It has not.

S&P 500 companies posted earnings growth of approximately 50 per cent in the second quarter of 2026, and saw profit margins reach their highest level in the available record. Third-quarter estimates stand at 28.5 per cent growth — revised upward from 26.6 per cent at the start of the quarter. Six consecutive quarters of double-digit earnings growth, with two of those above 20 per cent. Revenue growth in Q2 was 12.3 per cent, the second consecutive double-digit increase.

The gap between tariff chaos and earnings strength is not an accident. It reveals something about where the real economic burden of tariffs falls, and what it means for the investors who own American companies.

The burden, and who carries it

A tariff is a tax on imports. The company that writes the customs check is the importer of record. But the company that imports is not necessarily the one that pays. The ultimate bearer depends on pricing power — the ability to raise prices without losing enough volume to cancel out the gain.

Research from Gopinath and Neiman, published in 2026, finds a pass-through rate of nearly 100 per cent: the tariff cost falls almost entirely on American consumers, not on foreign exporters. Online price data for more than 350,000 products at five large retailers shows that imported goods prices rose 6.8 per cent between March 2025 and May 2026 relative to pre-tariff trends. The effect was concentrated in heavily tariffed categories — carpets and floor coverings surged 54 per cent, clothing and accessories rose 24 per cent, and coffee, tea, and cocoa climbed 16 per cent.

The Federal Reserve Bank of Minneapolis estimated in August that tariffs were adding between 0.2 and 0.4 percentage points to core PCE inflation as of July. Core PCE stands at 3.3 per cent, well above the Fed's 2 per cent target. Even without tariffs, inflation would still be approximately one percentage point too high. The picture is not that tariffs caused an inflation crisis — they made an existing one harder to cure.

And yet the pass-through was not immediate. BlackRock's analysis in November 2025 noted that early estimates showed American firms absorbing 60 per cent of tariff costs, with consumers bearing only 20 per cent. By the time of that report, the consumer share had risen to roughly 55 per cent, as companies gained confidence that tariffs would persist and worked the cost through their pricing. The delay came from inventory cycles, promotional commitments, and quarterly reporting lags. That delay is over.

Clothing and footwear inflation rose from 0.3 per cent in December 2025 to 3.5 per cent in July 2026. The category had historically hovered near zero. That is tariffs arriving, not departing.

Why earnings are rising, not falling

The mechanism is straightforward once you accept that the cost falls on the buyer. American companies with pricing power absorbed initial tariff costs through margins, then raised prices as certainty grew. The result is higher revenue and — crucially — maintained or expanded margins.

Q2 2026 earnings of 50 per cent year-on-year growth are not driven by tariff headwinds being "overcome." They are driven by companies that could pass costs through, combined with the AI investment cycle, which is lifting technology sector earnings independently. The AI hardware category faces minimal tariffs but saw prices rise 12.2 per cent year-on-year through July, reversing a historical annual decline of 6.5 per cent. The AI investment boom adds another 0.4 percentage points to core inflation — at least as much as the tariffs themselves.

For the investor, the implication depends on which side of the pricing-power divide a company sits. Firms with branded products, dominant market share, or limited substitutes can raise prices and retain customers. Their margins hold or improve. Firms competing on price, with thin margins and easily substitutable products, absorb the cost or lose volume. Both patterns have been visible in the data.

The Tax Foundation estimates the long-run GDP reduction from imposed and scheduled tariffs at 0.4 to 0.6 per cent. The Penn Wharton Budget Model's long-term projection was more severe — a 6 per cent reduction in GDP — but that model was published in April 2025, before the Supreme Court struck down the IEEPA tariffs that formed the largest single component of its calculation. The Congressional Budget Office estimated that the post-ruling tariff revenue reduction would leave federal deficits $2 trillion larger over 2026 to 2036. The macroeconomic damage has been smaller than the peak anxiety suggested, but not zero.

The real risk is not tariffs. It is what they do to the Fed.

Tariffs have not broken American corporate profits. They have made it harder to break the inflation problem that was already stubborn. That is the actual investment risk.

Core inflation at 3.3 per cent, with tariffs adding 0.2 to 0.4 percentage points, means the Federal Reserve faces an uncomfortable choice. The July 29 FOMC meeting left rates unchanged by a 9-to-3 vote, with minutes revealing that several officials considered financial conditions insufficiently restrictive. Market-implied probabilities for a September rate hike rose to nearly 60 per cent from below 40 per cent.

A rate hike on a market that has rallied on 50 per cent earnings growth is the scenario that changes the risk-reward. Higher rates compress equity valuations through the discount rate. They tighten borrowing costs for capital expenditure, which matters most for the heavy investment in AI infrastructure that is currently driving so much of the earnings story. And they would be the second consequence of tariffs that investors can see only with hindsight: not lower earnings today, but lower multiples tomorrow, as the cost of capital rises.

The Congressional Budget Office has already raised its inflation forecast for 2026 to 2029, citing tariffs as the primary driver. The CBO does not model market psychology or Fed reaction functions, but those are the channels through which tariff-driven inflation reaches portfolio returns.

A valuation risk, not an earnings risk

Tariffs are a consumption tax that happens to be levied at the border. American corporations with pricing power have done what any profitable company does when costs rise: they raised prices. The earnings data from the second half of 2025 through Q2 2026 confirms that the pass-through has been broadly successful.

The investment question is no longer whether tariffs will destroy margins. For most of the S&P 500, they have not. The question is whether persistent tariff-driven inflation will force the Federal Reserve into a tighter stance than the market has priced — and whether the resulting higher cost of capital will compress the valuation multiples that have accompanied this earnings expansion.

That is a valuation risk, not an earnings risk. It does not show up in quarterly results. It shows up in the price you can pay for those results. And it is one that tariff volatility, for all its political drama, has quietly enabled.