The City AM markets live blog

Good morning from the CityAM liveblog team.

Yesterday’s news was flooded with spending commitments on infrastructure.

It began with reports that the government was set to approve a proposal by Gatwick Airport to build a third runway – a £2.2bn project that will drive up the airport’s capacity, create thousands of new jobs and could be completed as soon as 2030. A welcome decision and one which will no doubt benefit the London economy.

But the pledge was quickly dwarfed by a $100bn commitment by chip giant AI to expand the compute capacity of ChatGPT maker OpenAI, a project that will involve the creation of a host of big new data centres. The move sent Nvidia shares rising as much as 4 per cent.

Here’s a summary of our other top headlines from

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