A specially tweaked classical computer system has just solved a physics problem so complex it was thought to be impossible without a quantum computer. The problem is the simulation of what are called ...

In this extract from his book, The digital leader’s playbook, CIO Paul Coby offers expert advice for established IT leaders and IT professionals who have set their sights on digital leadership.

Every weekday, the CNBC Investing Club with Jim Cramer holds a "Morning Meeting" livestream at 10:20 a.m. ET. Here's a recap of Friday's key moments. 1. Club holding Costco's stock fell 4.5% Friday as ...