Twitter shares fall as buyers pull out

As the tech and media giants were reported to by unlikely to bid for the social media platform, it left the cloud software company Salesforce.com as the lead contender, although its chief executive, Marc Benioff, would not comment.

Twitter has about 300 million users. Its share price reached a high of $73 in 2013 but had fallen to $14 in May this year.  Yesterday they were trading at $20.