| A seemingly insatiable appetite for cell phones, handheld organizers, and communications equipment drove demand last year for chips made by No.16, Micron Technology, No.17, Xilinx, and No.23, Analog Devices. Micron's sales rose 67%, while profits soared 376%. Xilinx posted an industry-best margin of 43.2%, helped by outsourcing all manufacturing of its complex logic chips. But pc makers and other customers have slammed on the brakes, and chip stocks are tumbling. It will be hard to stay on top now that the sizzle has fizzled.
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