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

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STEMCELLS (NYSE: STEM) Delayed: 5.76 -0.08 (1.37%)
Previous Close $5.84    52 Week High $3.08 
Open $5.86    52 Week Low $0.21 
Day High $5.97    P/E N/A 
Day Low $5.66    EPS $-0.49 
Volume 126,970