. ♪ emily: more trouble for karen theranos.beth tells us they're only using it on one of 100. ♪ emily: i'm emily chang on "bloomberg west." coming up, legendary tech investors tell us what it takes to view industry leaders like bill gates, jeff bezos, and

emily: more trouble for karen theranos. elizabeth tells us they're only using it on one of 100. ♪ emily: i'm emily chang on "bloomberg west." coming up, legendary tech investors tell us what it takes to view industry leaders like bill gates, jeff bezos, and former microsoft ceo steve steve jobs and ballmer says use the company's third-largest shareholder and last one of the stars of problems million on your listing if it is a bubble about to burst. to our lead. new troubles for the blood testing start up theranos. a wall street journal report says the fda pressured them to limit the number of tests. joining me now is our biotech reporter. what is the very latest that we know? >> last afternoon i spoke to elizabeth who revealed to us that they are only doing one test out of all of the ones that offers on their fingerprint technology. emily: and they were doing this voluntarily? >> she says they had decided to transition from the old flat or -- from the old lad center to fda cleared to play. because they only have a single te