FORTUNE -- The ratio of share price to annual earnings -- usually expressed as P/E or simply PE -- is the simplest and most widely used metric to gauge the relative value of a pair of companies.
Case in point: Apple (AAPL) and...
FORTUNE -- The ratio of share price to annual earnings -- usually expressed as P/E or simply PE -- is the simplest and most widely used metric to gauge the relative value of a pair of companies.
Case in point: Apple (AAPL) and...