The SIGMA 28-105mm F2.8 DG DN | Art is not just another standard zoom lens. With a powerful wide-angle to medium telephoto focal length and a bright F2.8 aperture throughout, this full-frame ...

Sony is getting an exciting new lens in the Sigma 28-105 F/2.8 FE. While details about the lens have been scarce, the first images have already leaked online. The leaked image of the Sigma 28-105 ...

No matter how powerful generative AI becomes, writer Ted Chiang says it will never create true art. Chiang is one of the most admired science-fiction authors writing today, best known for the ...

John Overdeck and David Siegel, who set up Two Sigma in 2001, are handing over the reins to two new co-CEOs after a years-long feud over the direction of a firm that manages $60 billion in assets ...

Two Sigma's billionaire cofounders, John Overdeck and David Siegel, are stepping down. The $60 billion quant named Carter Lyons and Scott Hoffman as the new co-CEOs. Overdeck and Siegel have made ...

The founders of mega hedge fund Two Sigma are stepping down as co-chief executives in a bid to resolve a yearslong clash that had riven the $60 billion quant-trading powerhouse.

The billionaire founders of Two Sigma Investments — John Overdeck and David Siegel — are stepping down from day-to-day management after feuding for years and handing control to two new co ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. The founders of Two Sigma, one of the world’s largest hedge funds, are stepping down as co-chief ...