UK FTSE 100 closes at highest level since 2018; cost of living crisis and climate change top global risks – as it happened

Blue-chip share index is approaching its record high set over four years ago

• Barratt brings in hiring freeze as UK housing market slows down

Shares of Darktrace have touched a record low this morning, after the UK cybersecurity firm cut its revenue forecasts and said the economic downturn was hitting sales.

Cambridge-based Darktrace says there was a noticeable" slowdown in new customer additions towards the end of last year, as economic uncertainty made potential customers more reluctant to run product trials.