Facebook's value slides by $36bn as data breach rocks shares - as it happened

All the day’s economic and financial news, as social media giant is hit by exposure of data breach involving Cambridge AnalyticaLatest: Facebook shares close down 6.7%Investors spooked by Cambridge Analytica revelationsNew details emerge tonightNo 10 ‘very concerned’ over Facebook data breach by Cambridge Analytica 9.07pm GMT Time for a recap:Around $36bn has been wiped off Facebook’s market capitalisation, after its worst day’s trading in several years. Shares slum