Increasing unusual option volume: OPTT LODE LBRT CMP SLNO AMKR STEM

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STEMCELLS (NYSE: STEM) Delayed: 7.39 -0.31 (4.03%)
Previous Close $7.70    52 Week High $3.08 
Open $7.59    52 Week Low $0.21 
Day High $7.94    P/E N/A 
Day Low $7.34    EPS $-0.49 
Volume 79,370