No. of Recommendations: 4
Do you mean book value > 0?No.
"and those with earnings > 0 and book value is < 0."
IIRC, the rationale was that BV < 0 means that the company has had such financial success that its book value has gone negative. Of course, it could be a troubled company, so you want to only look at one that have positive earnings.
Here is an article:
https://www.osam.com/Commentary/negative-equity-ve..."Negative equity companies are often written off as distressed, but after reporting negative equity, most of them survive for years and have, as a group, outperformed the market 57% of the time. in rolling 3 years periods from 1993 to 2017."