Wall Street ends lower as Treasury yields climb

Wall Street experienced a decline on Wednesday as long-dated US Treasury yields rose, reigniting concerns about inflation and mounting debt following two days of record high closings for major US stock indexes. The S&P 500 and the Dow Jones all fell from their four-day winning streaks, while the Nasdaq slipped to its first down day in six weeks.

Brent crude oil prices surpassed US$100 per barrel, and long-dated Treasury yields hit a 24-year high. Tensions over Iran's war and its impact on oil supply have driven up oil prices, fueling inflation worries and increasing the likelihood of sustained central bank rate hikes. These factors have contributed to a global bond selloff, causing global markets to fluctuate in recent weeks.

A senior portfolio manager at GLOBALT in Atlanta, Thomas Martin, noted that investors are seeking relief in oil, which could alleviate rates and subsequently benefit the stock market. The third quarter was anticipated to be a weak quarter, but it did not deliver as expected, prompting investors to take profits. Following the International Energy Agency's decision to expedite oil stock releases, focusing on diesel, crude prices softened.

Minutes from the Federal Reserve's September monetary policy meeting, where the central bank unanimously approved its first interest rate hike since July 2023, revealed differing opinions on the rationale behind the increase. Some participants believed the hike was necessary to prevent the impact of energy price shocks, while others felt it was required to contain demand-driven inflation.

Financial markets presently estimate a 17.2% probability of a second consecutive rate hike at the end of October's Federal Reserve meeting, down from 37.6% a week prior. The market's expectations for Fed decisions are likely to fluctuate as new data emerges. Market sentiment suggests more rate hikes, but it may not occur in every meeting; the market is signaling a pause in October.

The Dow Jones Industrial Average dropped 341 points, or 0.7%, to 51,180, the S&P 500 lost 17 points, or 0.2%, to 7,801, and the Nasdaq Composite fell 61 points, or 0.2%, to 27,538. SpaceX's stock declined by 2.5% after reports that Elon Musk's aerospace company was seeking US$40 billion in financing to buy Nvidia chips. As the third-quarter reporting season commences next week, high-profile financial firms are expected to release their results.

Investors will closely examine the impact of substantial AI technology investments on performance and search for indications of the U.S. consumer's well-being amid rising inflationary pressures.