How can IBM have $65 billion in revenues and still lose money? Although PepsiCo has nearly twice the sales and assets of Coca-Cola, Coke's stock is worth more than twice as much. Again and again, the financial pages report similar stories. In plain and effective language, internationally known marketing expert and bestselling author Al Ries explains why IBM, PepsiCo and other revenue-rich companies often fail to perform on the balance sheet. His common-sense approach to business management focuses on keeping a business doing what it does best, eschewing the temptation to diversify into unrelated enterprises.