Intel posts biggest quarterly profit in a decade

Intel Corp. has booked its largest quarterly net income in a decade as the chipmaker benefits from a stronger computer market and more sophisticated factories.

Large corporations bought more computers that use Intel's most expensive chips, an encouraging sign for the economy that emerged from Intel's second-quarter numbers, reported Tuesday after the stock market closed. Corporations have been stingy on upgrading their workers' personal computers, a trend Intel is now seeing reverse. Intel gets most of its profit from the sale of chips that go into PCs.

Intel CEO Paul Otellini said companies are starting to replace 4- and 5-year-old PCs now that they have some …