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    Will A.I. Be a Bust? A Wall Street Skeptic Rings the Alarm.

    Jim Covello, Goldman Sachs’s head of stock research, warned that building too much of what the world doesn’t need “typically ends badly.”As Jim Covello’s car barreled up highway 101 from San Jose to San Francisco this month, he counted the billboards about artificial intelligence. The nearly 40 signs he passed, including one that promoted something called Writer Enterprise AI and another for Speech AI, were fresh evidence, he thought, of an economic bubble.“Not that long ago, they were all crypto,” Mr. Covello said of the billboards. “And now they’re all A.I.”Mr. Covello, the head of stock research at Goldman Sachs, has become Wall Street’s leading A.I. skeptic. Three months ago, he jolted markets with a research paper that challenged whether businesses would see a sufficient return on what by some estimates could be $1 trillion in A.I. spending in the coming years. He said that generative artificial intelligence, which can summarize text and write software code, makes so many mistakes that it was questionable whether it would ever reliably solve complex problems.The Goldman paper landed days after a partner at Sequoia Capital, a venture firm, raised similar questions in a blog post about A.I. Their skepticism marked a turning point for A.I.-related stocks, leading to a reassessment of Wall Street’s hottest trade.Goldman’s basket of A.I. stocks, which is managed by a separate arm of the firm and includes Nvidia, Microsoft, Apple, Alphabet, Amazon, Meta and Oracle, has declined 7 percent from its peak on July 10, as investors and business leaders debate whether A.I. can justify its staggering costs.The pause has come early in the A.I. arms race. The tech industry has a history of spending big to deliver technology transitions, as it did during the personal computer and internet revolutions. Those build outs spanned five years or more before there was a reckoning.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    Nvidia Shares Tumble After Reports of a Chip Delay

    Nvidia shares tumbled more than 10 percent in early trading on Monday after reports that the company would delay shipments of its newest artificial intelligence chip, but the stock later rebounded as investors’ concerns about the costs of the delay faded.The Information, a tech news outlet, reported on Friday that Nvidia would be shipping its latest graphics processing unit, or GPU, which make it possible to create A.I. systems, three months later than planned. Nvidia said in a statement that production for the chip, which is called Blackwell, was on track for later this year and added that customer orders and interest were high.Stacy Rasgon, an analyst with Bernstein who follows Nvidia, said there was no need to panic because cloud computing companies such as Microsoft and Amazon were continuing to increase their spending on A.I. data centers. That expansion means that Nvidia chips will be in demand, he said.“Nvidia’s competitive window is so large right now that we don’t think a three-month delay will cause significant share shifts,” Mr. Rasgon said.Nvidia has been one of the hottest stocks in technology, fueled by the frenzy over A.I. The company’s market value has increased to $2.43 trillion from $1 trillion a year ago, making it more valuable than Alphabet and Amazon. But its rise has been marked by volatility, as investors waffle between enthusiasm and skepticism about the potential for A.I. to generate new business. More

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    What to Expect at Today’s DealBook Summit

    Vice President Kamala Harris, Elon Musk, Bob Iger, Jamie Dimon and Tsai Ing-wen, the president of Taiwan, are among the big names speaking.Leaders in politics, business and culture will gather in New York for the DealBook Summit today. Here, The Times’s Andrew Ross Sorkin interviews Reed Hastings of Netflix at last year’s event.Hiroko Masuike/The New York TimesThe lineup for DealBook Summit 2023 On Wednesday, DealBook will be live and in person at our annual summit in New York.Andrew takes the stage around 9 a.m. Eastern, and the first interview kicks off soon after. The DealBook team and reporters from The Times will be reporting live from the conference.Even if you are not with us, you can follow along here beginning at 8:30 a.m. Eastern.Here are the speakers:Vice President Kamala HarrisTsai Ing-wen, the president of TaiwanElon Musk, the chairman and C.E.O. of SpaceX, the C.E.O. of Tesla and the chairman and chief technology officer of XLina Khan, the chair of the Federal Trade CommissionJamie Dimon, the chairman and C.E.O. of JPMorgan ChaseBob Iger, the C.E.O. of DisneyRepresentative Kevin McCarthy, Republican of CaliforniaJensen Huang, the C.E.O. of NvidiaDavid Zaslav, the C.E.O. of Warner Bros. DiscoveryShonda Rhimes, the television show creator and the founder of the Shondaland production companyJay Monahan, the commissioner of the PGA TourWhat to watch: The buzz and fears swirling around artificial intelligence, the rise of hate speech and antisemitism since the Hamas-led Oct. 7 attacks on Israel, China-U.S. relations, inflation, interest rates and the chip wars and streaming wars — these topics and more will be covered by Andrew as he interviews some of the biggest newsmakers in business, politics and culture.There will be plenty of questions about an uncertain world. Americans are down on politics, the economy and workplace conditions. College campuses are divided. What role does business play in addressing these grievances? What about the White House and Congress? Can they bring voters together? Speaking of which, can Republicans unite to keep the government from shutting down again (and again)?Elsewhere, can Beijing and Washington decrease tensions and restore more normalized trading relations? What about A.I.? Is this a technology that will unleash a new wave of productivity, or is it a force that could do irreparable harm? And what’s so special about colonizing Mars?More on what to expect later.HERE’S WHAT’S HAPPENING Charlie Munger, Warren Buffett’s longtime lieutenant, dies at age 99. A former lawyer who became the vice chairman of Berkshire Hathaway and a billionaire in his own right, he became known for his sardonic quips. But Munger had more influence than his title suggests: Buffett credited him with devising Berkshire’s famed approach of buying well-performing businesses at low prices, turning the company into one of the most successful conglomerates in history.The Koch Network endorses Nikki Haley. Founded by the billionaire industrialists Charles and David Koch, the political network — which had raised a war chest of more than $70 million as of this summer — could give Haley’s campaign organizational strength and financial heft as she battles Gov. Ron DeSantis of Florida and aims to close the gap on the Republican front-runner, Donald Trump. Haley has risen in the polls since the first Republican primary debate in August, while DeSantis has slipped.Apple reportedly moves to end its credit card pact with Goldman Sachs. In the latest blow to Goldman’s consumer finance ambitions, the tech giant has proposed pulling the plug on a credit card and savings account it introduced with the bank, according to The Wall Street Journal. It’s unclear if Apple has found a new partner to issue its Apple Card, though Goldman had previously discussed a deal to offload the program to American Express.Mark Cuban makes two exits. The billionaire entrepreneur will leave “Shark Tank” after more than 10 years of assessing start-up pitches and making deals on camera. And, according to The Athletic, Cuban is selling a majority stake in the Dallas Mavericks to the casino billionaire Miriam Adelson and her family for a valuation around $3.5 billion. (He will retain full control over basketball operations.)Some things we’d like to cover Vice President Kamala HarrisWill “Bidenomics” save or sink the Biden-Harris ticket in 2024?Elon Musk, SpaceX, Tesla and XWhat did you learn from your trip this week to Israel?Lina Khan, F.T.C.What is your endgame in taking on Big Tech?Jamie Dimon, JPMorgan ChaseDoes America have too many banks?Jensen Huang, NvidiaIs investor enthusiasm around artificial intelligence justified, or is it merely inflating a bubble?We’d like your feedback! Please email thoughts and suggestions to dealbook@nytimes.com. More