Increasing unusual put option volume: CRDO WOOF ACHR

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VCA Antech, Inc. (NASDAQ: WOOF) Delayed: 2.71 --0 (-0%)
Previous Close $2.71    52 Week High $73.69 
Open $2.71    52 Week Low $44.00 
Day High $2.71    P/E 1.77 
Day Low $2.71    EPS $1.53 
Volume 210