Meta Chief Revenue Officer John Hegeman is leaving, after 17 years at Meta; Clara Shih, who joined in November 2024 to lead its Business AI unit, is exiting (Kurt Wagner/Bloomberg)

Yann LeCun, a prominent artificial intelligence researcher at Meta Platforms Inc., has announced his departure from the company at the end of 2025. He plans to establish a new startup focused on advancing machine intelligence research, with Meta remaining as a partner in this endeavor.

Citadel Securities LLC has initiated trading for two baskets of corporate bonds from major tech companies including Microsoft Corp., Amazon.com Inc., Alphabet Inc., and Meta Platforms Inc. This move comes as investors seek more liquid options to engage in substantial investments in artificial intelligence.

Yann LeCun, a prominent artificial intelligence pioneer and head of a research lab at Meta Platforms Inc., has announced his departure from the company at the end of the year to launch a new startup, as revealed in a memo obtained by Bloomberg News.

Elon Musk announced that his artificial intelligence startup, xAI, plans to develop a 500 megawatt data center in Saudi Arabia in collaboration with the state-backed AI startup Humain. The data center will utilize Nvidia chips, marking a significant investment in the region's AI infrastructure.

Meta Platforms Inc. has announced the release of SAM 3 and SAM 3D, new open-source computer vision models designed for the detection, segmentation, and tracking of objects in images and videos. SAM 3D is particularly notable for its capability to reconstruct both objects and humans in three dimensions, enhancing the functionality of Meta's existing suite of image segmentation tools.

Alphabet Inc. shares increased by as much as 6.9% on Wednesday, marking the largest gain since early September. This surge in stock price follows a series of positive reviews for the company's latest AI model, Gemini 3, which has been praised for its advancements in coding and reasoning capabilities.

Meta Platforms Inc. has expressed significant challenges in identifying and removing underage users as it prepares to comply with Australia's upcoming ban on social media access for individuals under 16 years old, set to take effect next month.

South Korea's antitrust regulator visited the Seoul offices of Arm Holdings Plc this week as part of an ongoing investigation into the company's licensing practices. This scrutiny follows a complaint made by Qualcomm regarding Arm's operations.