Increasing unusual call option volume: KOPN ERAS OGN FEZ VAL SANM GSK RMBS

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GLAXOSMITHKLINE PLC (NYSE: GSK) Delayed: 51.98 +1.24 (2.44%)
Previous Close $50.74    52 Week High $45.58 
Open $51.63    52 Week Low $37.82 
Day High $52.07    P/E N/A 
Day Low $51.51    EPS $0.00 
Volume 2,309,622