What activist Starboard's participation means for Pfizer

Jakub Porzycki | Nurfoto | fake images A version of this article first appeared in CNBC's Healthy Returns newsletter, bringing…

Oura Ring 4 smart ring is announced for $349 and launches on October 15

A user wearing an Oura ring Courtesy: Oura Oura on Thursday introduced its new smart ring, the Oura Ring 4,…