Ah, the stock market. A fickle beast, swayed by whispers of interest rates, the rumble of geopolitical tensions, and, of course, the occasional presidential pronouncement. Lately, however, it seems to have developed a peculiar immunity, a sort of financial shrug, even as the legal system attempts to untangle the knotty mess of trade policy. The latest act in this ongoing drama? A federal appeals court declaring most of President Donald Trump’s tariffs, the very bedrock of his economic agenda, to be, well, illegal. Yet, somehow, the show goes on, and the tariffs, like a bad sequel, remain in effect.
On Friday, August 29, 2025, as the U.S. markets closed ahead of a long Labor Day weekend, a federal appeals court delivered a rather inconvenient truth: President Trump had overstepped his authority. The court ruled that his sweeping global tariffs, particularly those imposed under the International Emergency Economic Powers Act (IEEPA), were beyond presidential powers. One might expect such a monumental legal rebuke to send the Dow Jones Industrial Average, S&P 500, and Nasdaq Composite into a tailspin. After all, “uncertainty due to the tariff policy rollout has roiled stock markets” in the past. [MSN Alert]
The Market’s Measured Indifference (Mostly)
But this is no ordinary market, and this is no ordinary administration. While the major U.S. indices did indeed close lower on Friday, August 29, the reaction was less a panic and more a collective sigh of “here we go again.” The Dow Jones Industrial Average shed 202 points, or 0.5%, the S&P 500 dipped 0.8%, and the Nasdaq Composite slid 1.3%. Other reports indicated slightly smaller, but still negative, moves: the Dow down 91.12 points (0.2%), the S&P 500 losing 41.50 points (0.64%), and the Nasdaq falling 249.61 points (1.15%). This pullback came after a week that saw all three indices flirt with record highs.
The immediate “after-hours” stock trading reaction to the tariff ruling was described as “little,” suggesting the market had already priced in, or perhaps simply grown accustomed to, the ongoing legal battles surrounding trade policy. However, the broader market’s Friday decline was attributed to a familiar cocktail of “inflation ticking higher and Trump’s tariff worries”, with investors “parsing inflation data showing tariffs have started feeding into prices.” Indeed, consumer sentiment, as measured by the University of Michigan, fell to 58.2 in August, with director Joanne Hsu noting that consumers believe “the current trade environment continues to pose threats to the multiple facets of the economy.”
So, while the courts declared the emperor’s trade clothes non-existent, the market seemed more concerned with the actual cost of the fabric. As Art Hogan, chief market strategist at B. Riley Wealth, so eloquently put it, “The last thing the market or corporate America needs is more uncertainty on trade.” One might argue that “uncertainty” has become the new normal, a constant hum in the background of Trump’s economic policy. Goldman Sachs strategists, for instance, have been busy trying to figure out “who will ultimately shoulder the cost of tariffs,” with early earnings offering “conflicting messages on the margin outlook.”
Corporate Casualties and Unexpected Victors
The tariff saga, legal or not, continues to ripple through corporate earnings. On August 29, several companies felt the pinch. Industrial giant Caterpillar (CAT) dropped 4% after issuing a dire warning that tariffs could cost the company up to $1.8 billion this year. Apparel retailer Gap (GPS) also flagged tariff-related profit pressures, adding to the day’s “risk-off tone.” Tech firms weren’t immune either, with chipmaker Marvell Technology (MRVL) cratering 16.7% to $64.32 after delivering weak guidance for the third quarter, citing “lumpiness” in cloud customer demand. Dell Technologies (DELL) also slid 10% on softer AI-related guidance.
Yet, in true market fashion, where there’s pain, there’s often profit. Ambarella (AMBA) surged 15.5% to $81.60 on robust AI-driven demand, and Alibaba (BABA) jumped 11.47% to $133.29 after unveiling its own advanced AI chip. Energy drink maker Celsius Holdings (CELH) bubbled up 5.3% to $62.83 after PepsiCo (PEP) increased its stake. It seems that even amidst the chaos of trade wars and legal challenges, the relentless march of technological innovation and strategic corporate maneuvers can still capture investor attention.
The EU Deal: A Tariff Truce, Not a Love Story
Meanwhile, across the Atlantic, the White House announced an EU trade deal, a framework reached in July and formally detailed in August 2025. This agreement, hailed by some as a “major win for American workers, US industries, and our national security,” aimed to avert a full-blown trade war by reducing U.S. car tariffs on European goods to 15% from a threatened 30% or higher. Europe, in turn, pledged to eliminate tariffs on U.S. industrial goods and increase purchases of American energy and investment.
European markets reacted with a characteristic mix of “cautious optimism” and “mixed performance.” The pan-European STOXX 600 showed slight gains, and Germany’s DAX registered a modest 0.1% increase. European automotive stocks, initially buoyed by the prospect of reduced tariffs, saw early gains (the Stoxx Europe autos index rose 1.6%) before reversing course as the nuances of the deal sank in. While French car parts supplier Valeo (VLEEF) traded 4.3% higher and luxury carmaker Ferrari (RACE) gained around 0.9%, German heavyweights like Volkswagen AG (VOW3), BMW AG (BMW), and Mercedes-Benz Group (MBG) remained down more than 1.3%. Chris Hiorns, manager of the EdenTree European Equity fund, summed up the sentiment perfectly: “We are still in a worse position than when we started.” Apparently, a 15% tariff, while better than 30%, is still a tariff.
Threats and Truth Social: The Ongoing Narrative
Beyond the legal rulings and negotiated truces, President Trump continues to shape the trade narrative with his characteristic flair. He recently threatened 200% tariffs on China over magnet supply and an “additional 50 percent tariff” on China more broadly. [MSN Alert, 9] Not content with just China, India also found itself in the crosshairs, with Trump imposing a crushing 50% tariff on Indian goods, effective August 27, 2025, as a punitive measure for its purchases of Russian oil.
The impact on India was immediate and stark. Indian equity benchmark indices, the Nifty50 and BSE Sensex, closed in the red on August 29, with the Nifty50 down 0.30% and the BSE Sensex down 0.34%. The rupee became the worst-performing currency in Asia, and Indian stock markets experienced foreign outflows of nearly $5 billion since July. Chris Wood, a strategist at Jefferies, called the tariffs “draconian,” predicting a $55–60 billion hit to India’s economy and a potential 1–1.2 percentage point shave off its GDP. Ajay Srivastava of the Global Trade Research Initiative warned of a “strategic shock” that could risk “mass unemployment in export hubs.” The irony, of course, is that such aggressive tactics might just push India closer to China, with direct flights between the two countries set to resume.
And then there’s Truth Social. Following the appeals court ruling, President Trump took to his platform to declare, in all caps, “ALL TARIFFS ARE STILL IN EFFECT!” He further accused the court of political bias, claiming the decision would “literally destroy the United States of America.” While the platform’s parent company, Trump Media & Technology Group (DJT), saw its stock soar after its March 2024 debut, becoming a “meme stock” and a “proxy for how markets price Trump 2.0 policies”, the immediate market reaction to his August 29 posts was not explicitly detailed in the provided alerts. One can only imagine the collective eye-roll from seasoned traders, who have, by now, become accustomed to the former president’s unique brand of market commentary.
The Never-Ending Story
The saga of Trump and the markets is far from over. The appeals court ruling on tariffs is almost certainly headed to the Supreme Court, setting up yet another high-stakes legal showdown. Meanwhile, the “de minimis” exemption, which allowed duty-free imports under $800, was eliminated on August 29, adding another layer of cost and complexity for businesses. The Federal Reserve also remains a frequent target, with an ongoing legal battle over the independence of the central bank after Trump fired Governor Lisa Cook.
In essence, the markets continue to navigate a landscape where policy is often announced via social media, challenged in court, and then, for good measure, often remains in place anyway. It’s a testament to the resilience (or perhaps the sheer exhaustion) of the financial world that it largely continues to function, albeit with a persistent undercurrent of “more uncertainty.” Investors, it seems, have learned to live with the chaos, or at least to factor it into their algorithms. After all, what’s a little legal invalidation when there’s still money to be made, or, at the very least, inflation to worry about?
DISCLAIMER: We read Trump’s posts so you don’t have to. This is comedy meets market data, not financial advice. Not political advice either – we just like charts and chaos.
Elana Harper is a seasoned financial editor and market analyst with over a decade of experience covering global equities, economic trends, and corporate earnings. Known for her sharp insights, Elana specializes in making complex financial topics accessible to a broad audience. She now serves as the Senior Financial Editor at Stock Market Watch, where she oversees daily market coverage and political commentary.