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

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STEMCELLS (NYSE: STEM) Delayed: 4.25 -0.01 (0.23%)
Previous Close $4.26    52 Week High $3.08 
Open $4.28    52 Week Low $0.21 
Day High $4.30    P/E N/A 
Day Low $4.13    EPS $-0.49 
Volume 102,015