Rogers Communications Inc. beat analysts’ fourth-quarter estimates as wireless service revenue gained and subscribers bought more expensive devices.

Nick Leeson went from being a symbol of everything that is wrong with financial markets to investigating the kind of misconduct he became famous for.

This story incorporates reporting from The Financial Times, New York Post, The Australian Financial Review, Business Insider, Business Insider and Bloomberg L.P..SoftBank, the Japanese multinational conglomerate,

After training for free with all of the Internet, AI companies are starting to copy each other without permission. The world continues to wonder how DeepSeek was able to train an AI model like R1 with only 2,

It’s early days, but there already appears to be a clear buzzword among corporate executives this earnings season: tariffs.

Microsoft and OpenAI are investigating if DeepSeek accessed data without permission, with reports suggesting DeepSeek used OpenAI’s API to transfer large data volumes. Microsoft suspects the stolen data helped “distill” ChatGPT’s knowledge into DeepSeek’s R1 model,

Liam Denning is a Bloomberg Opinion columnist covering energy. A former banker, he edited the Wall Street Journal’s Heard on the Street column and wrote the Financial Times’s Lex column.

OpenAI claims to have found evidence that Chinese AI startup DeepSeek secretly used data produced by OpenAI’s technology to improve their own AI models, according to the Financial Times. If true, DeepSeek would be in violation of OpenAI’s terms of service. In a statement, the company said it is actively investigating.

A new earnings report painted a grim picture of Boeing’s finances. Can it recover while under scrutiny from Trump and Musk?

Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever—but the company faced another selloff Wednesday.

DeepSeek is causing havoc throughout the AI industry. U.S.-based tech companies that have heavily invested in AI saw their stocks take a tumble this week after the China-based startup released a new AI model on par with OpenAI's latest model, yet much cheaper to train — plus, DeepSeek made it free and open source.

DeepSeek has been accused of using data without permission by OpenAI. If true, DeepSeek would have violated OpenAI's terms of service.