Chipmaker PMC-Sierra (PMCS) tumbles -12.9% after failing to meet Q4 profit expectations and...

|About: PMC - Sierra, Inc. (PMCS)|By:, SA News Editor

Chipmaker PMC-Sierra (PMCS) tumbles -12.9% after failing to meet Q4 profit expectations and offering a disappointing Q1 revenue forecast. PMC's woes may be having a ripple effect on other chipmakers, such as LSI Corp. (LSI -1.4%), Broadcom (BRCM -4%), and Qualcomm (QCOM -2%).