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Theranos was once praised for its fast, less-invasive blood testing technology, but the company has found itself in the spotlight after media reports raised questions about the accuracy of its proprietary tests.
The company has been embroiled in an expensive legal battle with wrestler and entertainer Hulk Hogan, who is backed by wealthy investor Peter Thiel.
This is the latest in a string of coffee deals by investment group JAB as it seeks to become a formidable competitor to Nestle.
The company is dropping devices that compete with its own streaming media hardware.
Some suggest the electric car company's shares had risen for the wrong reasons.
The social-media company saw a 24 percent jump in monthly average users in the second quarter.
The consumer tech giant beat on profit and missed on revenue in the third quarter.
A supplier to the fast-food chains in China has been accused of using expired meat and allowing unhygienic practices.