Google co-founder Sergey Brin has revealed how AI recently helped him identify an employee for promotion, someone he hadn’t even noticed before.

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.

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.