Berkshire Hathaway revealed a $4.3 billion stake in Google parent Alphabet and further reduced its stake in Apple , detailing its equity portfolio for the last time before Warren Buffett ends his 60-year run as chief executive officer.

The European Commission opened a new investigation into how the tech giant ranks news publishers in search results.

Google announced it will spend $40 billion in Texas on new cloud, artificial intelligence and energy infrastructure, energy programs and training.