The Dow Jones Industrial Average fell 500 points on Friday as tensions in the Middle East intensified. Selling broadened beyond technology stocks into a wider market decline.

The U.S. Justice Department has sued to block Alaska from certifying its Senate race if the Republican candidate narrowly loses. The contest is one of several nationwide that could decide whether Republicans keep their slim Senate majority.

U.S. Treasury yields posted their sharpest one-day drop since the 2023 banking crisis as investors rushed into government bonds amid a broader tech-stock sell-off. Analysts described the move as a flight to safety rather than a signal of imminent recession.

U.S. President Donald Trump has asked Elon Musk to reverse a slowdown of SpaceX's Starlink satellite service that Musk had ordered for Ukraine, the Wall Street Journal reported. Musk, a vocal critic of Ukrainian President Volodymyr Zelenskyy, is said to have throttled the service amid tensions over the war.

OpenAI is close to finalizing a funding round of up to $30 billion at a $1.25 trillion valuation, led by investors from the United Arab Emirates. Sources familiar with the matter told CNBC the round is meant as a bridge to the company's planned 2027 IPO.

The Nasdaq fell more than 2% on Thursday, its worst day since June, as Meta and Tesla led declines amid AI spending concerns and rising oil prices. Treasury yields also dropped sharply as investors sought safety.

Initial filings for US unemployment insurance slipped to a seasonally adjusted 194,000, among the lowest readings since the 1960s. The data points to a continuing trend of low layoffs across the American labor market.

Meta Platforms shares fell 6% after third-quarter spending on artificial intelligence infrastructure pushed the company's free cash flow negative for the first time in years. Prices for Meta's five-year credit default swaps climbed to record highs as investors signaled growing concern over the company's debt risk.

Barclays said it will cut 5,000 jobs, about 5% of its workforce, as the British bank increases its reliance on artificial intelligence. The lender said AI tools are taking over tasks previously handled by staff across its operations.

Norway's sovereign wealth fund, the world's largest, posted a $30 billion loss in the third quarter after a bond market slump hit its holdings. Norges Bank Investment Management, which runs the roughly $2.3 trillion fund, said returns on its bond portfolio turned negative as yields rose.

Shares of AI cloud-computing company CoreWeave have fallen 29% in October. CNBC reports that the spreads on the company's credit default swaps are also widening, meaning investors are pricing in higher risk of default on its debt. The slide renews questions about the financing costs behind massive AI infrastructure spending.

Meta has been fined $25 billion over allegations that it lied to users about how it handled their personal data. BBC Business describes the penalty as the largest yet imposed on Facebook's parent company, surpassing an earlier $18 billion privacy settlement Meta reached with the state of California. Meta has not yet issued a public response.

Intel has installed the first major structural truss at its long-delayed chip factory in Ohio, marking a visible construction milestone. The company has not yet announced a major outside customer for the plant, which is running at least five years behind schedule.

eBay will lay off about 1,000 employees, roughly 9% of its workforce, in its second round of job cuts this year. The e-commerce company said the move is meant to sharpen its focus on top strategic priorities.

SpaceX shares jumped after demand for its computing power exceeded expectations, lifting the broader artificial-intelligence stock group along with it. Elon Musk also hinted at a possible tie-up with Tesla in the same update.

President Trump suggested data center companies pay host communities a direct "dividend" to ease backlash over AI-driven construction. The remark follows mounting public concern about rising electricity costs near new facilities.

US housing data weakened further in September, according to separate reports released Tuesday, even as the Federal Reserve weighs additional interest-rate increases. The figures add to signs that higher borrowing costs are weighing on home sales and construction activity. Economists say the reports complicate the central bank's next policy decision.

Tesla and SpaceX have each formed special committees to evaluate a potential merger between the two Elon Musk-led companies, Musk said Monday. He cautioned that a combination is not guaranteed, even as Tesla shares rallied on the announcement. The companies have not set a timeline for a decision.

Salesforce shares fell after the company agreed to acquire marketing-software firm Braze for about $6 billion, a 58% premium over its recent stock price. Analysts called the price unusually steep, questioning the AI-driven deal's near-term payoff.

A new lawsuit filed in the US Court of International Trade challenges President Donald Trump's 50% tariffs on a range of Canadian goods. The plaintiffs invoke a rarely used 1930 trade-law provision, arguing the administration overstepped its legal authority.