Ken Griffin says Citadel unwound more than 80% of risk tied to Situational Awareness portfolio

Ken Griffin says Citadel unwound more than 80% of risk tied to Situational Awareness portfolio

Citadel’s Ken Griffin, in a letter to clients on Friday, addressed for the first time the firm’s purchase of assets from Leopold Aschenbrenner’s Situational Awareness hedge fund. According to a letter obtained by CNBC’s Sara Eisen, Griffin told clients that Citadel has untangled more than 80% of the aggregate risk of the original acquired portfolio … Read more

Pixel Watch 5’s AI face generator keeps it feeling fresh [Gallery]

Pixel Watch 5's AI face generator keeps it feeling fresh [Gallery]

Google’s Pixel Watch 5 isn’t a radically new redesign, but it does bring some welcome improvements. And while I’m still struggling with mixed feelings about using generative AI today, the Pixel Watch 5’s AI watch face generator has been a surprising delight. I’m a smartwatch user for a variety of reasons, from notifications to health … Read more

Could ‘dark photons’ explain dark matter?

Could 'dark photons' explain dark matter?

New research suggests that if dark matter was made up of “dark photons,” it would not have heated the early cosmos as scientists previously thought. If correct, this discovery could represent a paradigm shift in the search for the most mysterious things in the universe. Dark matter remains so elusive because, despite outweighing the everyday … Read more