Stocks Tumble as Early Tech Rally Gives Way to A.I. Worries

After a week of market uneasiness, Nvidia’s profit surge and Walmart’s earnings had initially offered investors relief. But the bullishness faded by Thursday afternoon.Jensen Huang, chief executive of Nvidia, which had eased investors’ worries about potential A.I. overinvestment after the company re

J Joe Rennison, Eshe Nelson and River Akira Davis

Walmart Sales Rise as Shoppers Look For Savings

The retailer increased its guidance for the year, anticipating more price-conscious shoppers would flock to its stores.Shoppers outside a Walmart in Teterboro, N.J., in April.

J Jordyn Holman

U.S. Ran a War Game on Ousting Maduro. Venezuela Fell Into Chaos.

An official U.S. government exercise during President Trump’s first term forecast turmoil and potential violence in a post-Maduro Venezuela.Members of a group loyal to President Nicolás Maduro of Venezuela, during a rally in Caracas in September.

M Michael Crowley

Democrats Raise Concerns Over Allied Curbs on Intelligence Sharing

Britain’s limits on sharing information reflect growing unease among partner nations over the legality of the U.S. strikes on boats purportedly carrying drugs.Representative Jim Himes of Connecticut, the top Democrat on the House Intelligence Committee, said the loss of intelligence from Colombia co

J Julian E. Barnes

Justice Dept. Appears to Be Examining Potential Leaks in Schiff Inquiry

A subpoena issued by the F.B.I. suggests the Justice Department may be seeking to identify officials who might have shared information about the inquiry into Senator Adam Schiff in an unauthorized way.The Justice Department appears interested in the interactions among Bill Pulte, Ed Martin and the “

G Glenn Thrush and Alan Feuer

Trump Was Not Invited to Cheney’s Memorial Service

Former Vice President Dick Cheney, a once-powerful Republican, turned on Mr. Trump last year by announcing he would vote for Vice President Kamala Harris.Former Vice President Dick Cheney, who died earlier this month, said in 2024 he would not support his party’s presidential nominee, Donald J. Trum

P Peter Baker

Epstein Emails Add to Former Harvard President Larry Summers’s Controversies

The former Harvard president has come back from controversy before, but revelations in new Epstein emails are threatening his omnipresence in public life.Lawrence H. Summers resigned from the Harvard presidency decades ago after he was criticized over statements about women. But he remained a powerf

M Mark Arsenault

Short on Cash, D.N.C. Took Out $15 Million Loan in October

The move, unusual for a year without a midterm or presidential election, is the latest sign of financial distress for the Democratic Party.Ken Martin, the chairman of the Democratic National Committee, at a rally this month in Newark for Representative Mikie Sherrill, who was elected New Jersey’s ne

S Shane Goldmacher and Reid J. Epstein

Ukraine and Europe Chafe at Being Excluded From U.S.-Russian Peace Plan

Some in Kyiv expressed confusion over the Trump administration’s multiple diplomatic tracks as Washington tries to revive negotiations.Gravediggers burying a Ukrainian soldier, Ihor Brozhek, 29, at a cemetery on the outskirts of Odesa, in southern Ukraine, this month.

A Andrew E. Kramer and Lara Jakes

Move Over, Netflix: Ukraine’s Corruption Investigators Bring the Drama

The country’s anti-graft agencies have taken a cinematic approach to revealing a scandal that has touched President Volodymyr Zelensky’s inner circle.Opposition lawmakers blocking the Parliament’s rostrum in Kyiv, on Tuesday, demanding to oust the government after a major corruption scandal in the c

K Kim Barker

After the Louvre Heist, the Museum’s President Defends Her Tenure

In one of her very few interviews since the museum heist, Laurence des Cars said the plan would increase much-needed security, but critics say it is too focused on new construction.Laurence des Cars, the Louvre’s president, in the museum in 2023.

C Catherine Porter and Elaine Sciolino

Newly Discovered Bach Pieces Are the Fruits of Decades of Detective Work

A pair of organ works that scholars believe were written by a teenage Johann Sebastian Bach were premiered in Leipzig this week and added to the composer’s official catalog.The two pieces were premiered by Ton Koopman and given their own numbers in the catalog of Bach’s works: BWV 1178 and BWV 1179.

A Adam Nagourney