Tellabs (TLAB -5.9%) falls after missing Q3 revenue estimates, and guiding for Q4 revenue of...

|By:, SA News Editor

Tellabs (TLAB -5.9%) falls after missing Q3 revenue estimates, and guiding for Q4 revenue of just $300M-$330M ($349.9M consensus). Rival Ciena (CIEN -10.5%), whose beta is more than 3x as large, is selling off even harder. Other optical networking names trading lower: JDSU -8.6%. ALU -3.2%. CALX -4.3%.