Jeremy Grantham: The Most Expensive Market in American History 6/26/26

The markets are coming off of a volatile week, and Comcast is spinning off NBCUniversal and Sky. Evercore founder Roger Altman discusses both. As the Round of 32 begins, donor to the US Men’s National Team Scott Goodwin explains why he’s helping to pay the salary of the head coach, Mauricio Pochettino. A hedge funder and a soccer fan, Goodwin believes in the unifying power of a national sports team. Plus, market indices are undergoing a reshuffle.   Roger Altman           12:02 Scott Goodwin       26:52   In this episode: Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Andrew Ross Sorkin, @andrewrsorkin Cameron Costa, @CameronCostaNY   Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Investing legend Jeremy Grantham founded one of the first index funds in the 1970s, and in a special Squawk interview, he’s issuing a warning to investors. A permabear, Grantham expects a market decline of 70%, and he’s counseling his team to avoid U.S. stocks. Plus, OpenAI may wait until 2027 to IPO, and Apple is hiking product prices, thanks to rising costs of memory chips.    Jeremy Grantham - 16:00 MacKenzie Sigalos - 41:55    In this episode: MacKenzie Sigalos, @KenzieSigalos Joe Kernen, @JoeSquawk Andrew Ross Sorkin, @andrewrsorkin Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

After New York’s primaries, House Minority Leader Hakeem Jeffries (D-NY) discusses the future of the Democratic Party in a midterm election year. Plus, Zynga founder and Reinvent Capital partner Mark Pincus has written a book, “Life at the Speed of Play.” Pincus discusses his thesis of how to build successful products from good ideas, as well as his investments in SpaceX and Anthropic. Pincus is still waiting for the “technology treasure” invention of the AI age. Plus, CNBC’s Kristina Partsinevelos explains the surge in Qualcomm and Micron shares.    Kristina Partsinevelos - 8:41 Mark Pincus - 19:08 House Minority Leader Hakeem Jeffries - 36:40         In this episode: Hakeem Jeffries, @RepJeffries Kristina Partsinevelos, @KristinaParts Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Andrew Ross Sorkin, @andrewrsorkin Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

In an extended interview, U.S. Treasury Secretary Scott Bessent addresses the administration’s approach to tariffs, negotiations with Iran, and his own view on America’s AI dominance and regulation, and the future of the Federal Reserve. The morning after the NYC primary elections, Sec. Bessent also weighs in on the future of the Democratic Party. Plus, Google parent Alphabet has replaced Verizon in the Dow Jones Industrial Average.   Sec. Scott Bessent - 16:24   In this episode: Scott Bessent, @SecScottBessent Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Coatue founder and portfolio manager Philippe Laffont shares his perspective on AI, the investing mistakes he’s made, and much more in an extended interview. Once a ‘Tiger Cub,’ Laffont now has $90 billion under management and is looking for his next bet in space and tech. Plus, a tech selloff has rocked global markets, the Senate has advanced a housing bill that limits private equity purchases of single family housing, and Rep. Ro Khanna (D-CA) has challenged Elon Musk to a debate.    Philippe Laffont 19:40   In this episode: Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Former Federal Reserve Chairman Alan Greenspan has died at 100 years old, leaving an enormous legacy for the American financial system. Economist Mohamed El-Erian remembers this titan of American economics, including his historic career as Fed Chair for five consecutive terms under four U.S. Presidents. Author Walter Isaacson shares Greenspan stories of his own, as well as his expectations for a SpaceX-Tesla merger. Plus, CNBC’s Eamon Javers reports on the latest round of talks between the U.S. and Iran, and “Toy Story 5” lassoed 2026’s biggest opening weekend at the box office.    Eamon Javers - 3:36 Mohamed El-Erian - 18:05 Walter Isaacson - 28:53   In this episode: Eamon Javers, @eamonjavers Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

SpaceX will be acquiring AI coding startup Cursor for $60 billion. AI venture capitalist Michael Fertik was that company’s first investor, and he explains why a software vibe coding company is a good match for Elon Musk’s AI ambitions. Victor Riparbelli, CEO of AI video platform Synthesia, was at the AI working lunch at the G7 in France, in the room with Sam Altman, Dario Amodei, Demis Hassabis, Marc Benioff, and world leaders including President Trump. Riparbelli discusses the group’s effort to collaborate on AI guardrails, while maintaining the pace of innovation. The U.S. and Iran have signed the Memorandum of Understanding to end the war in Iran, but CNBC’s Eamon Javers indicates that there are more negotiations still to come. Plus, CNBC’s Steve Liesman reports on Kevin Warsh’s first meeting as Federal Reserve Chairman.     Steve Liesman           4:06 Eamon Javers             11:28 Victor Riparbelli        18:26 Michael Fertik              28:13   In this episode: Joe Kernen, @JoeSquawk Steve Liesman, @steveliesman Eamon Javers, @eamonjavers Kelly Evans, @KellyCNBC Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

At the G-7 meeting in France, President Trump commented on the memorandum of understanding between the U.S. and Iran. CNBC’s Megan Cassella reports on the market reaction to the document, and David Albright, former Nuclear Weapons Inspector, reviews his concerns about the MOU’s “leaky language.” AI giants including OpenAI, Anthropic, and Google are also attending this year’s G-7 summit; former White House Chief Technology Officer Aneesh Chopra considers the importance of global coordination on AI development, particularly in light of Anthropic’s decision to suspend its top models Fable and Mythos.    Megan Cassella - 13:03 David Albright - 16:55 Aneesh Chopra - 26:27   In this episode: Megan Cassella, @mmcassella Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

SpaceX has surged past expectations - and many of the most valuable companies in the U.S - in its meteoric stock debut.  SEC Chairman Paul Atkins believes enthusiasm for Elon Musk’s space company can fuel demand for more initial public offerings. President Trump is at the G-7 meeting of world leaders in France, as negotiations on the wars in Iran and Ukraine continue. Megan Cassella reports on the latest from the summit. And, do sports or pets make you happier? Arthur Brooks on the science behind what our brains love.    Megan Cassella        5:38 Paul Atkins           13:29 Arthur Brooks         25:20    In this episode: Paul Atkins, @SECPaulAtkins Arthur Brooks, @arthurbrooks  Megan Cassella, @mmcassella Joe Kernen, @JoeSquawk Becky Quick, @BeckyQuick Katie Kramer, @Kramer_Katie Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The U.S. and Iran have agreed to a peace deal, set to be signed on Friday. Vice President JD Vance shares details of the deal, including flows through the Strait of Hormuz, Iran’s nuclear program, and the resulting shifts to energy prices. As SpaceX starts its first full day of trading on the public markets, Ron Baron, with about half of his $70B+ fund’s portfolio in SpaceX and Tesla, says he’s still betting on Elon Musk. Baron addresses valuation concerns and explains his ongoing optimism regarding the world’s first trillionaire.    Leslie Picker Ron Baron  Vice President JD Vance   Leslie Picker - 10:01 Ron Baron - 18:26 Vice President JD Vance - 44:25   In this episode: Leslie Picker, @LesliePicker Robert Frank, @robtfrank Brian Sullivan, @SullyCNBC Becky Quick, @BeckyQuick Cameron Costa, @CameronCostaNY Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.