Elizabeth Holmes is a flight risk and should not be allowed to stay out of prison while she appeals against her 11-year prison sentence for defrauding investors, federal prosecutors have said.

A judge in the US has sentenced former Theranos executive Ramesh “Sunny” Balwani to nearly 13 years in prison for his role in the company’s blood-testing hoax.

Her company, Theranos, sold a promise to improve health with tests on one drop of blood — a claim that despite having little scientific proof raised hundreds of millions of dollars

A jury convicted the 37-year-old on two counts of wire fraud and two counts of conspiracy to commit fraud after seven days of deliberation

In this column, Kehlan looks at the most disappointing businesses of 2016. Whether through bad decisions, indifferent CEOs or just poor performance, these businesses have had a very disappointing 2016.