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

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STEMCELLS (NYSE: STEM) Delayed: 5.37 -0.27 (4.79%)
Previous Close $5.64    52 Week High $3.08 
Open $5.57    52 Week Low $0.21 
Day High $5.76    P/E N/A 
Day Low $5.33    EPS $-0.49 
Volume 107,348