It’s been a long, downward slide for cellphone maker Vertu. The company, founded by Nokia in 1998, was supposed to be a luxury phone provider to the stars and, to a degree, it delivered. They sold the $11,000 phones like…

It’s been a long, downward slide for cellphone maker Vertu. The company, founded by Nokia in 1998, was supposed to be a luxury phone provider to the stars and, to a degree, it delivered. They sold the $11,000 phones like…