Detailed text transcripts for TV channel - CNN - 20180727:08:39:00
Dave. >> significant development. alexandra field live for us in south korea. to wall street. investors are concerned about what happened yesterday. it was the worst day in history for facebook. shares plunged 19% after it announced it will spend billions on security. facebook lost $119 billion in stock market value. that is the biggest single day loss for a public company ever. to put that in perspective, how much value evaporated from the company is more than the value of most companies like costco and american express and c caterpillar. it took $16 billion off mark zuckerberg's value. fac...