Stock market today: Dow, S&P 500, Nasdaq sink as Trump tariff threats and bond sell-off rattle nerves

Major U.S. stock indices, including the Dow, S&P 500, and Nasdaq, finished the day significantly lower, reflecting a pronounced shift in investor sentiment. The downturn was primarily driven by renewed market anxiety surrounding potential tariff hikes by the Trump administration. These proposed trade barriers threaten to disrupt global supply chains, increase input costs for businesses, and ultimately erode corporate earnings, creating uncertainty for companies reliant on international trade. The simultaneous sell-off in the bond market further exacerbated investor jitters. Rising bond yields typically make equities less attractive by offering a competitive, lower-risk return, while also increasing borrowing costs for companies and consumers. This dual pressure from trade policy fears and a tightening credit environment prompted a broad retreat from riskier assets, as investors recalibrated their portfolios to account for a less predictable economic landscape. Looking ahead, market participants will be keenly observing any developments on the trade policy front, particularly statements or actions from the U.S. administration regarding tariffs. Simultaneously, attention will remain fixed on bond market movements and any indications from central banks about future monetary policy, as these factors will continue to influence market direction and investor confidence in the near term. The full implications for investors will depend on follow-through in price action, positioning data and forthcoming policy or earnings catalysts referenced above.