Professor Morris Davis stands in front of an ornate door in Newark, in the neighborhood of Rutgers Business School.

I spent an hour this week chatting with Billy Wynne about his book, The Empty Path: Finding Fulfillment through the Radical Art of Lessening. Although I have relatively little knowledge about Buddhism ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.