Elizabeth Holmes speaks on stage during the closing session of the Clinton Global Initiative in 2015.
Elizabeth Holmes speaks on stage during the closing session of the Clinton Global Initiative in 2015. - 
Listen To The Story
Marketplace

We've done some coverage of the now troubled biotech startup Theranos, the company with the cutting edge blood test kits that are not so cutting edge after all.

Last year, CEO and founder Elizabeth Holmes was at the top of the Forbes magazine list of this country's richest self-made women with an estimated net worth of $4.5 billion dollars.

This morning, Forbes, with an eye to Theranos' difficulties, took Holmes off the list and rated her net worth at...nothing.

Sign up to stay connected to Marketplace and you could be in for a Halloween treat!

Subscribe to our daily newsletter by Oct. 31 and you're automatically entered to win one of 10 Marketplace treat bags. They're filled with some great swag, plus something unique to give you a peek behind the scenes — a program rundown signed by Kai Ryssdal.

Subscribe today for your chance to win – and good luck!

Follow Kai Ryssdal at @kairyssdal