Increasing unusual option volume: LAC UP ACAD ERO HOUS QURE SAVA

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Kla-Tencor Corp (NYSE: LAC) Delayed: 3.00 -0.15 (4.76%)
Previous Close $3.15    52 Week High $7.88 
Open $3.05    52 Week Low $7.11 
Day High $3.12    P/E 1.33 
Day Low $2.98    EPS $2.26 
Volume 7,963,439