03:30PanoramaCan You Trust the Billion Pound Investors?BBC One Duration: 29 minutes Wed 23rd Oct 2019, 03:30 on BBC News ChannelRichard Bilton investigates the secretive world of fund managers. Show more ContributorsReporter:Richard BiltonEditor:Rachel JuppProducer:Maurice MayExecutive Producer:Andrew HeadGenresFactualNewsBrandPanorama Source: BBC Online