Cirrus Logic
Cirrus Logic

The chipmaker does the bulk of its business — at least 80% -- with Apple and the two firms' fates are tightly intertwined. Cirrus Logic's audio chips are found in everything from the iPad mini to the iPhone. when the semiconductor firm posted disappointing revenue forecast this Spring, Apple's stock also took a tumble. The Austin-based firm still posted $136.6 millio in revenue, up from $88 million last year. What's more, analysts are predicting that its growth will slow down. The question is whether Cirrus (CRUS) will manage to maintain its biggest account going forward.


  @FortuneMagazine - Last updated August 29 2013 11:27 AM ET
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