Intel, the worldÔÇÖs largest computer chip maker, has cut its forecast for its fourth-quarter earnings for the second time, as spending on computers fall. ┬á In November, Intel had revised its quarterly revenue estimate from $10.9 billion down to $9 billion, and on Wednesday announced that it was likely to be $8.2 billion, 23 percent lower than last yearÔÇÖs fourth-quarter revenue.┬á┬á Cody Acree, a senior semiconductor analyst with Stifel Nicolaus, said weaker than expected business conditions are not Intel-specific.