A Princeton mathematical physicist reflects on John Nash, a nobel laureate in economics.

Everything you need to know in the week ahead: A big tech conference, big earnings and big news on home prices.

Californian cities have plenty of work to do.

Investors have been punishing the biotech giant for sitting out a recent M&A frenzy. That’s made the stock look enticingly cheap.

Microsoft had 15 billion reasons to end talks to acquire Salesforce.

One of Uber’s undisclosed investors is on the other side of a $4 billion M&A auction.

The billionaire argues that we should help low-wage workers by investing in education instead.

Economists love the idea of a cashless society. So, increasingly, do consumers.