Wall Street ended lower Thursday, with losses in private equity companies and weakness in Nvidia and Apple, while earnings-driven gains in industrials limited losses.

Private equity companies slid after Blue Owl Capital's decision to sell $1.4 billion in assets and freeze redemptions at one of its funds to manage debt and return capital.

Apollo Global Management, Ares, KKR & Co. and Carlyle Group all fell as Blue Owl's troubles added to recent worries about credit quality and lenders' exposure to software stocks. Blue Owl also tumbled.

Nvidia and Apple both dipped and were among the companies weighing most on the S&P 500.

AI-linked technology stocks have faced turbulence in recent months due to concerns about high valuations and limited evidence that massive investments in AI are driving revenue and profit growth.

Industries ranging from software to logistics have also been hit by concerns that rapidly improving AI tools could disrupt their business models and steepen competition.

"The market is trying to grapple with what business lines are under threat in a material way from AI. This technology is developing extraordinarily rapidly and days like today feel natural. We're at a moment in the cycle where you realize that not everyone's going to win and not all expectations are going to be met," said Keith Buchanan, senior portfolio manager at Globalt Investments in Atlanta.

Walmart dipped after new CEO John Furner kicked off his tenure with a conservative fiscal 2027 forecast, as well as a $30 billion buyback plan.

Deere & Co jumped after the farm-machinery maker raised its annual profit forecast and beat first-quarter results estimates.

According to preliminary data, the S&P 500 lost 20.22 points, or 0.28%, to end at 6,861.09 points, while the Nasdaq Composite lost 71.27 points, or 0.31%, to 22,682.37. The Dow Jones Industrial Average fell 273.79 points, or 0.55%, to 49,388.87.

The S&P 500 energy index added as crude oil prices rose on mounting fears of a military conflict between the United States and Iran.

Omnicom jumped after the ad giant beat analysts' estimates for fourth-quarter revenue, while Carvana dropped after the online used-car retailer missed fourth-quarter profit estimates.

Software provider EPAM Systems plunged as its cautious first-quarter outlook disappointed investors.

Minutes from the U.S. Federal Reserve's most recent policy meeting released on Wednesday showed policymakers remained split about the policy path later this year.

Investors were assessing Thursday's weekly jobless claims data that pointed to a stabilizing labor market, and will closely parse the Personal Consumption Expenditures report — the Fed's preferred inflation gauge — which is due on Friday, for hints on the Fed's rate outlook.

Interest-rate trades suggest a 50% likelihood the Fed will cut rates by its June policy meeting, according to CME's FedWatch Tool.