Wendell Perkins, manager of the JohnsonFamily Value funds, labels Apple a tech survivor and calls the company a good buy because “it is the only innovative company in the personal computer sector,” according to CNN/Money. Perkins only recommends tech companies that have little or no debt and a relatively large amount of cash, and says the survivors of the economic slowdown will be companies with strong enough balance sheets to enable continued spending on research. Last quarter, Apple spent about 7.5 percent of its revenue on research and development — more than Dell, Gateway, and Hewlett-Packard.