4 key ways AI changed the Big Four in 2025
Deloitte, KPMG, PwC, and EY make up the Big Four professional services firms. Emanuele Cremaschi//Getty Images, Craig T Fruchtman/Getty Images, Joan Cros/NurPhoto,, Joan Cros/NurPhoto via Getty Images...
Deloitte, KPMG, PwC, and EY make up the Big Four professional services firms. Emanuele Cremaschi//Getty Images, Craig T Fruchtman/Getty Images, Joan Cros/NurPhoto,, Joan Cros/NurPhoto via Getty Images...
ValentynVolkov/Getty Images Separately managed accounts in the hedge fund industry boomed in 2025. Insiders say demand will only accelerate the trend in 2025. Emerging managers face challenges from ta...
Tim Cook sporting a custom pair of Nike Vomero Plus sneakers at an Apple store reopening in Tokyo earlier this year. Apple Tim Cook bought $3 million in Nike shares, nearly doubling his stake in the c...
A fancy Starbucks coffee drink with whipped cream Lauren DeCicca/Getty Images Under new CEO Brian Niccol, Starbucks had a sometimes rocky 2025. I thought slimming down the menu length and adding after...
Miguel J. Rodriguez Carrillo / AFP Former SpaceX employees have launched startups with over $3 billion in venture funding. The SpaceX Mafia is backed by top venture firms like Andreessen Horowitz and ...
"Bluey" is consistently one of the most viewed shows on Disney+, though the streamer's viewership share has leveled off. Disney Disney's streaming subscriber count has grown, but its US viewer...
Carla Caputo says she always follows a few key rules when in clients' homes. Citigroup Carla Caputo helps coordinate art purchases and collections for Citi's high-net-worth clients. She always takes a...
Michael Burry, the investor of "The Big Short" fame. Astrid Stawiarz/Getty Images Michael Burry touted health insurer Molina as a winning stock pick on his Substack. The "Big Short" in...
Veteran trader Peter Brandt has warned winners from silver's rally to be careful. Jonathan Raa/NurPhoto via Getty Images Market veteran Peter Brandt has urged those who've profited from silver's rally...
From left: Anthony Gutman, David Solomon, Jacqueline Arthur. Courtesy of Goldman Sachs 10 Goldman Sachs leaders shared their go-to book and podcast recommendations. Business Insider asked the CEO and ...
Christmas shoppers browse in Aritzia on December 24, 2025 in New York City. Jeremy Weine/Getty Images Canadian fashion retailer Aritzia has enjoyed considerable success in recent years. 2025 was the y...
📋 Key Facts ✓ The US wants to sell GM soya and corn to India. ✓ Indian farmers are wary of GM soya and corn. ✓ ...
Nvidia founder and CEO Jensen Huang is the face of the company supplying chips to many of the companies in the AI arms race. Woohae Cho/Getty Images If you've heard about AI, you're probably familiar ...
This year, I listened to over 50 tech leaders discuss AI across various conferences, podcasts, and interviews. Lee Chong Ming/Business Insider Over the past year, I listened to more than 50 tech leade...
📋 Key Facts ✓ The article outlines 5 bear cases against Nvidia in economics and technology categories. ✓ Bear arguments are described a...
Warren Buffett, the CEO of Berkshire Hathaway. Nati Harnik/AP Warren Buffett rocked the business world in 2025 by announcing he would step down as CEO. The Berkshire Hathaway boss penned two of his fa...
Bruce Springsteen, Beyoncé, and Taylor Swift are all billionaires. Al Pereira/WireImage; Edward Berthelot/Andreas Rentz/Getty Images Beyoncé's net worth has officially reached $1 billion, according to...
📋 Key Facts ✓ Grandparents founded Vo Toys in the 1950s using leather belt scraps from Germany immigrants. ✓ Mark Hirschberg studied fi...
Ron Telemarque Ron Telemarque Ron Telemarque had 11 days to decide: accept severance or return to the office full time. He shared how he decided whether to stay at Paramount — and whether he reg...
Brands including Chili's, Starbucks, and Cracker Barrel have undergone revitalization efforts this year. Getty Images; Tyler Le/BI Many major restaurant chains have been undergoing revitalization and ...