Markets News, Sep. 18, 2026: Dow, S&P 500 End Lower for Week; US 10-Year Yield Hits 5%; Oil Slips

The Dow industrials and S&P 500 ended the week with losses, with the Nasdaq Composite the only major U.S. index to rise in Friday's session.

The tech-focused Nasdaq finished up 0.4% on the day and 0.7% for the week. The blue-chip Dow Jones Industrial Average ended down 0.2% Friday and 1.7% over the five sessions as it recorded a third straight losing week. The benchmark S&P 500 closed up 0.2% Friday but 0.1% lower for the week, its second consecutive in the red.

The 10-year Treasury yield , which serves as a benchmark for a wide range of interest rates, including those for mortgages , corporate bonds, and other loans, was at 5% in late-afternoon trading, up seven basis points from Thursday's close.

The Federal Reserve on Wednesday raised interest rates for the first time in three years, and investor attention has now turned to the likely path forward for rates. Per the CME FedWatch tool, traders see a 55% likelihood that the Fed will raise rates a quarter-percentage point above its new range of 3.75% to 4% at its late-October meeting, and a 90% likelihood that it will lift them by at least that amount in December.

Oil prices pulled back Friday as traders figured a Saudi Arabian pipeline closure would not affect crude supplies for long. U.S. benchmark West Texas Intermediate prices were down 2% to just below $100 a barrel around 4 p.m. ET, while Brent crude futures, the international benchmark, were 1.5% lower at $103.25.

Berkshire Hathaway (BRK.B) said legendary investor Warren Buffett was stepping down as its chairman , effective immediately, although he was named Chairman Emeritus "in recognition of his extraordinary contributions to Berkshire and its owners" and will remain a board member. Howard Buffett, his son, will take over as chairman.

"Father Time always wins," wrote Warren Buffett, who recently turned 96. Berkshire shares were up less than 1%.

Crypto-tied stocks Robinhood Markets (HOOD), Coinbase Global (COIN), and Strategy (MSTR) closed at least 9% higher as bitcoin traded around $81,200, up sharply from overnight lows around $76,200.

Shares of Apple (AAPL) ended 0.3% lower as the tech giant's iPhone 18 models and other new products debuted. The Roundhill Magnificent Seven ETF (MAGS) declined about 0.5% after closing up nearly 2% yesterday. Roundhill's Memory ETF (DRAM) and broader iShares Semiconductor ETF (SOXX) advanced nearly 3% and 2%, building on Thursday gains.

The U.S. dollar index , which tracks the value of the greenback against a basket of foreign currencies, edged lower to 100.20. Gold futures rose 0.5% to $4,420 an ounce.