Why so many tech companies are valued at over a billion without making a dime in profit

March 6, 2017, 1:55pm

There are currently about 200 “unicorns,” privately held companies valued at over a billion dollars, and most of them are tech companies. Considering that many of them have never turned a profit, does this make sense? We take a look at how investors decide what a company is worth and whether their efforts are closer to an art or a science.