Broadcom Corp fell US$2.50 to US$15.11. The largest maker of cable-modem chips said its fourth-quarter loss widened to US$6.40 a share from US$1.27 a year earlier. Chief Executive Henry Nicholas resigned for family reasons, the company said.
Internet Security Systems Inc tumbled US$6.17 to US$14.20. The software maker reported sales that missed analysts' expectations and said revenue will increase less than earnings this year.
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