01:06Business MattersUber shares sink on stock market debutBBC World Service Duration: 53 minutes Sat 11th May 2019, 01:06 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowThe shares fell 7.6%, making the ride-hailing app worth around $70 billion. Show more GenresFactualMoneyFormatsDiscussion & TalkBrandBusiness Matters Source: BBC Online