Stephen Stapczynski

Stay informed with Stephen Stapczynski’s coverage and analysis for Fortune.

  • Warren Buffett, chairman and chief executive officer of Berkshire Hathaway Inc., center left, eats a Dairy Queen vanilla orange ice cream bar while touring the shopping floor ahead of the company’s annual meeting in Omaha, Nebraska, U.S., on Saturday, May 4, 2019. Buffett’s Berkshire Hathaway agreed earlier this week to make the investment in Occidental to help the oil producer with its $38 billion bid for Anadarko Petroleum Corp. Photographer: Houston Cofield/Bloomberg via Getty ImagesFinance

    Buffett’s bet sparks surge in Japan trading house shares

    By Stephen Stapczynski, Koh Yoshida, and others
  • Vladimir Putin puts his hands togetherPolitics

    Russia’s fortress economy has propped up Vladimir Putin amid Western sanctions, but a key weak spot is emerging in the Arctic

    By Stephen Stapczynski and Bloomberg
  • Vladimir PutinFinance

    Russia’s gamble on energy backfires spectacularly as the world experiences a warm winter—and plummeting gas futures

    By Stephen Stapczynski and Bloomberg
  • Japanese Prime Minister Fumio Kishida speaks during a press conference

    A decade on from the Fukushima disaster, Japan may return to nuclear power amid soaring energy costs

    By Stephen Stapczynski, David Stringer, and others
  • TOPSHOT – Protesters attend a rally in Almaty on January 4, 2022, after energy price hikes. – Police fired tear gas and stun grenades in a bid to break up an unprecedented thousands-strong march in Almaty, Kazakhstan’s largest city, after protests that began over fuel prices threatened to spiral out of control. (Photo by Abduaziz MADYAROV / AFP) (Photo by ABDUAZIZ MADYAROV/AFP via Getty Images)International

    Uranium prices surge after deadly protests in Kazakhstan, which produces over 40% of the world’s total

    By Yvonne Yue Li, Stephen Stapczynski, and others
  • CAMBRIDGE, MA – OCTOBER 5: Banners hang for the inauguration of Harvard University’s 29th president, Larry Bacow, at the campus in Cambridge, MA on Oct. 5, 2018. (Photo by Craig F. Walker/The Boston Globe via Getty Images)Finance

    Harvard’s massive endowment fund will no longer invest in fossil fuels

    By Kevin Crowley, Stephen Stapczynski, and others
  • Shopping carts sit in front of a Walmart store on September 3, 2020 in Richmond, California. Walmart announced Monday it would cut the emissions of its own global operations to net zero by 2040.Environment

    Walmart says it will eliminate emissions from global operations by 2040

    By Stephen Stapczynski, Akshat Rathi, and others