Stock Market Today: S&P 500 Marks Best May in 30 Years as Wall Street Bets on Tariff Relief
By Amalya Dubrovsky, Karen Friar, and Allie Canal | Updated May 30, 2025, 6:24 PM EDT
The U.S. stock market closed May on a high note, with the S&P 500 delivering its strongest performance for the month in three decades. Investors appeared optimistic as Wall Street placed increasing bets on potential relief from ongoing trade tensions, particularly amid complex tariff negotiations between the United States and China.
May’s Market Gains: Historic Performance for the S&P 500
Despite a volatile trading session on Friday, the major indexes finished the month solidly in the green. The S&P 500, an important benchmark for the overall market, posted gains exceeding 6% for May—the best monthly performance since November 2023 and the strongest May showing since 1990. The Dow Jones Industrial Average climbed 4%, while the Nasdaq Composite surged nearly 10%, buoyed by strength in the technology sector.
On Friday alone, the Nasdaq experienced a slight dip of 0.3% after recovering from an early session drop of more than 1.6%. The S&P 500 traded flat relative to Thursday’s close, and the Dow nudged higher by 0.1%. These shifts reflected a day of cautious sentiment tempered by optimism over easing inflation and potential progress in U.S.-China trade relations.
Tariff Uncertainties and Trade Developments
The market’s gains came amidst ongoing uncertainties surrounding tariffs and trade negotiations with China. This week featured mixed signals from Washington, highlighting both escalating tensions and tentative diplomatic overtures.
According to a Bloomberg report, the Trump administration is poised to broaden technology restrictions targeting China. The new proposal seeks to tighten controls on transactions involving Chinese companies that are subsidiaries of already sanctioned firms. These expanded tech curbs aim to close loopholes that have allowed some companies to circumvent earlier restrictions and would require U.S. government licenses for certain dealings.
President Trump further heightened the spotlight on U.S.-China trade relations through pointed remarks on social media, accusing China of violating their recent trade agreement less than three weeks after the two countries agreed to ease some tariffs.
Despite these challenges, Treasury Secretary Scott Bessent conveyed cautious optimism regarding future dialogue. Speaking with Fox News, he noted that U.S.-China trade talks are temporarily "a bit stalled" but emphasized that a phone call between President Trump and Chinese President Xi Jinping may be key to breaking the deadlock. Ongoing issues include disputes over semiconductor export controls and visa restrictions.
Legal and Regulatory Background Adds Complexity
Adding to the market’s uncertain backdrop, a recent legal development has again put some of Trump’s global tariffs under the microscope. A U.S. appeals court temporarily paused a lower court’s blocking of these tariffs, permitting the White House additional time to file a formal challenge. Concurrently, the administration is exploring alternative measures to uphold its tariff policies.
Inflation Data Provides Some Relief
On the economic front, inflation data for April offered signs of cooling price pressures. The Personal Consumption Expenditures (PCE) index—the Federal Reserve’s preferred inflation gauge—showed increases consistent with market expectations both monthly and annually. The "core" PCE, which excludes volatile food and energy prices, aligned with the Fed’s inflation targets, supporting hopes that aggressive monetary tightening measures may soon ease.
Outlook: Markets Remain Watchful but Upbeat
Wall Street’s strong monthly rebound reflects a cautious but hopeful investor sentiment. While geopolitical and trade risks linger, market participants are buoyed by encouraging inflation figures and the prospect that U.S.-China negotiations might regain momentum.
As the trading calendar turns to June, all eyes will remain trained on further trade developments and Federal Reserve signals that will shape the trajectory of the U.S. economy and global markets.
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