Increasing unusual call option volume: OPEN PDYN KPPN LCID YETI LAC

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Kla-Tencor Corp (NYSE: LAC) Delayed: 3.09 +0.01 (0.32%)
Previous Close $3.08    52 Week High $7.88 
Open $3.13    52 Week Low $7.11 
Day High $3.13    P/E 1.37 
Day Low $3.03    EPS $2.26 
Volume 8,833,310