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Berkshire Hathaway repurchased $4.5 billion of its own shares as Greg Abel prepares to take over from Warren Buffett as CEO. The move signals confidence in the company's future value without Abel making any public statements about his leadership plans.
According to The Information, Apple is developing enterprise-grade AI servers built around its future M8 Ultra chip, intended for sale to AI developers, businesses and governments rather than just internal use. Two configurations are reportedly planned, one linking two M8 Ultra chips and another linking four, with Apple weighing Nvidia's NVLink Fusion networking tools to connect them. The project has been underway for about a year with CEO John Ternus reportedly supportive, though nothing is finalized and launch isn't expected before 2029.
Capital Economics economist James Reilly analyzed eight market indicators — including surging equity and debt issuance and extreme concentration of market value in a handful of tech stocks — and found most near levels historically seen just before major market crashes. Reilly concluded the data resembles a 'late-stage bubble' comparable to the run-up before the dot-com crash. The warning comes as the Federal Reserve weighs whether to raise interest rates to cool the AI-driven market euphoria.
Investors have approached OpenAI proposing a fresh funding round that could value the company at $1.2 trillion, though no formal talks have begun, according to people familiar with the matter. Some backers see the round partly as a mechanism for employees to sell shares, similar to the roughly $7 billion secondary sale OpenAI completed in August following its $122 billion raise at an $852 billion valuation in March.
A technical write-up by Vlad Saioc examines how Go's goroutine-based concurrency model can produce 'leaked' goroutines that block indefinitely and never release memory or resources. The piece explains that while tools like the goleak library and Go 1.25's new synctest package help catch such leaks during unit testing, neither can reliably detect leaks in live production systems at scale, leaving goroutine profiles as one of the few practical diagnostic options.
Dave Baumgartner's Bluemont Group opened its 100th Dunkin' location this spring, 16 years after he signed his first franchise deal with no restaurant background. He says starting with 17 stores at once was a mistake and now advises new franchisees to begin with just one location to learn the business first.
Spain's Data Protection Agency (AEPD) has received its first notification of a breach allegedly executed by an autonomous AI agent built on a large language model. According to the report, the agent found system vulnerabilities, logged in, probed connected applications, then altered personal data and accessed financial records. The AEPD has not yet verified the claims but says the case demonstrates that AI-driven breaches have moved from theory to practice.
A newly released white paper examines how single-phase direct liquid cooling addresses escalating thermal loads in AI and high-performance computing systems, where individual chips now exceed 1,000 watts and racks can dissipate over 100 kilowatts. It compares this approach against two-phase and immersion cooling methods, and outlines how liquid cooling works at both chip and system levels.
SK Hynix is in talks with Intel about producing RAM chips in the United States, according to a Reuters report citing unnamed sources. Options under discussion include leasing space at Intel's planned Ohio plant or forming a joint venture, possibly with cloud-service providers involved, though SK Hynix says no final decisions have been made.
The Information reports Apple is developing a new line of enterprise servers, its first since discontinuing Xserve in 2011, aiming to capitalize on surging demand for AI compute power. The machines are expected to use two or four M8 Ultra chips, a processor generation still years from release, putting a launch around 2029. Reports also suggest Apple may adopt Nvidia's NVLink Fusion interconnect technology to link multiple chips together.
A developer building a Voronoi-diagram shader for a music video noticed the animation stuttered on only one of their machines. A week-long investigation into shader compilation and disassembly revealed the bug stemmed from how the fractional part of a floating-point number was handled differently across hardware, causing visible artifacts.
A solo developer released Hush, a lightweight macOS menu bar application that generates brown noise and a speech-blocking sound in real time, replacing the need for browser tabs or streaming apps. Users can start or stop playback with a right-click, adjust volume and tweak the low-pass cutoff via a simple controls panel, all while working fully offline. The app is Apple notarized, free to download on a pay-what-you-want basis, and its source code is available on GitHub under an MIT license.