London — The S&P 500 ended Monday up 0.41%, largely driven by gains in major tech stocks such as Apple and Nvidia. However, this uptick appears to reflect short-term market behavior rather than firm confidence in a sustainable growth outlook.
The most significant pressure currently stems from trade tensions. President Donald Trump’s latest announcement to double tariffs on steel and aluminum imports—just weeks after a provisional agreement was reached in Switzerland—has not only threatened to derail diplomatic progress but also reignited market fears of a retaliatory tariff cycle similar to the turbulence experienced during 2018–2019.
China has rejected the accusations and warned of strong countermeasures, adding to the looming specter of a renewed trade war—an extremely sensitive factor for global financial assets, especially U.S. equities.
Meanwhile, the U.S. economy is showing mild yet broad-based signs of weakening. Q1 GDP unexpectedly contracted by 0.2%, while both the Manufacturing PMI and ISM Manufacturing Index came in below expectations, pointing to stagnating domestic demand and industrial activity. These figures suggest that the growth momentum seen in late 2024 is fading and could prompt the Federal Reserve to reconsider its monetary policy trajectory.
A silver lining lies in the core PCE price index—the Fed’s preferred inflation gauge—which came in lower than expected, indicating some easing in price pressures. This opens the door for the Fed to maintain a dovish stance, particularly as growth concerns mount.
However, should a renewed trade war trigger a fresh wave of cost pressures (e.g., input and import prices), inflation expectations could rebound and disrupt the Fed’s strategy—placing the market in a double bind of recession risk and diminished hopes for near-term rate cuts.
From a market structure perspective, the current rally remains heavily reliant on large-cap tech stocks—the most influential segment within the S&P 500. This concentration highlights a vulnerability: the rally lacks breadth and could falter if capital begins flowing out of leading names. It also suggests that investors remain cautious, merely rotating within sectors rather than committing new risk capital, while awaiting clearer macro signals.
The S&P 500 may continue to fluctuate indecisively as it is pulled between opposing forces: support from tech leaders and dovish policy expectations, versus renewed trade war risks and signs of economic slowdown.
In the short term, investor sentiment may remain volatile depending on the next steps in U.S.–China relations or shifts in the Fed’s policy stance. If these risks converge, the S&P 500 could face a broader correction rather than a mere technical pullback.
*Linh Tran, Market Analyst at XS.com
