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Find out which companies have seen the biggest upgrades to their earnings forecasts this week
From Rolls-Royce to GE, our City analyst Robin Hardy finds out which of the giant engine makers are worth backing
The company has made a strong start to listed life, but weakened on Middle Eastern worries
Is it time for new rules?
The Squeeze: Price signals can generate solutions faster than investors realise
Slowing orders in the US and writedowns to the value of its Chinese business are dragging on the company’s numbers
Updates on world markets and company news
The computer company’s products are increasingly being used in drone sensing technology
Analysts point to resilience in regulated markets and question how much damage new rivals can really do
Not everyone wants to share their pot with a partner, but dividing things up fairly can be a challenge