Don't rely on just one metric to inform your investing decisions. Buying a stock at a discount can potentially set up investors for significant gains in the future. And one way to find undervalued stocks is by looking at their price-to-book ratios. If a stock is trading at or below its book value -- its total assets minus its liabilities -- that can mean that there's good value there for investors. But that's not always the case. A business's assets may be overvalued and thus, the book value may not be all ...