US Stock Market Turns Mixed as Treasury Yields Ease and Oil Prices Retreat

💡 Wall Street's mixed session reflects a complex interplay between Treasury yields and oil prices.

The US stock market experienced a mixed session on Thursday, May 18, 2026, as Treasury yields eased and oil prices retreated. The S&P 500 $SPY oscillated between gains and losses, ultimately closing with a modest decline.

Market Reaction to Treasury Yields

The yield on the 10-year US Treasury note fell to 3.45%, its lowest level in over two months, as investors reassessed the economic outlook. The decline in yields was largely driven by improved economic data, which has led to increased expectations of a rate cut from the Federal Reserve.

Oil Prices Retreat

Oil prices also retreated, with Brent crude falling by 2.5% to $67.50 per barrel, its lowest level in over a month. The decline in oil prices was largely driven by a decrease in demand, as well as increased production from OPEC+.

Impact on Stocks

The mixed session on Wall Street was also influenced by the decline in oil prices. Energy stocks, in particular, were hit hard, with ExxonMobil $XOM falling by 3.5% and Chevron $CVX declining by 2.5%.

What It Means for Investors