The switch from polluting fuels raises the risk of causing damage elsewhere

The broadcaster could do with a little more passion from advertisers

New content is crucial to draw users in Japan and the US

A good rule of thumb is that when estate agents want to sell, run for the hills

Until the bookseller stabilises, no bidder is likely

Chocolatier should play up its premium brands to counter falling sales

Michael Kors needs a makeover, but it is unclear whether shoemaker can provide it

As profits plunge, investors are too blasé about competition problems

Valuation is lower than 20 years ago but the business is better

As companies jostle for dominance, the Franco-Dutch group risks being left behind

Profits need to increase substantially before investors are rewarded with cheer

Swiss private banker’s competitive advantages are no secret

Valuation of Europe’s leading low-cost carrier already incorporates plenty of hope

Moving into the autonomous arms race is worrying for the wider business model

Recovery from a prolonged downturn may be at hand

Large-scale take-up will mean the need to switch on to an improved network

Shrewd management could wring more profit out of a game on the wane

After selling milk business in 2015, growth will need to come from other products

The S&P Tech index has surpassed its previous high, driven by very different stocks

A likely upturn in insurance revenues makes the shares look relatively cheap

Miserliness may look austere but it means that the miner rarely destroys value

Arthur Sadoun should put his own mark on the advertising group