PE HUB First Read

Instagram co-founders Kevin Systrom and Mike Krieger have resigned from the company.

Slack has acquired productivity startup Astro.

Amazon has held two rounds of preliminary talks to buy Deliveroo as Uber circles.

An American diplomat in Madagascar was found dead.

WalMart is pushing produce suppliers to use blockchain by September 2019.

Sir Michael Atiyah, a leading mathematician, claims to have solved a 160-year old maths problem.

United Technologies explores sale of Chubb Fire & Security.

Sears CEO pushes a rescue plan to avoid bankruptcy.

Starbucks is about to cut corporate staff as it shakes up its organization.

Apple closes its Shazam acquisition for $400 million.

Tiger Woods’ victory came with ratings spike for NBC.