Three financial sanity tests for whether there is a bubble

IS THE technology industry in La La Land? There are alarming signs. House prices in San Francisco have risen by 66% more than in New York over the past five years. Even at the height of the dotcom bubble in 2001, the gap was lower, at 58%. Shares of technology firms trade on their highest ratio to sales since the turn of the century. Four of the world’s most valuable firms are tech companies: Apple, Alphabet, Microsoft and Amazon. Snap, a tiddler with $400m of sales and $700m of cash losses in 2016, is expected to list shares on March 1st that will give it a valuation of over $20bn.

This article appeared in the Business section of the print edition under the headline “A trip to the shrink”

Clean energy’s dirty secret

From the February 25th 2017 edition

Discover stories from this section and more in the list of contents

Explore the edition

Illustration of a hand breaking out of a TV screen holding a phone that has, sports, a world, a missile, emojis and a Fox News microphone coming out of it