Increasing unusual option volume: AMPG NASA EWC CRBP CRSR MRAM

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Go back to Increasing unusual option volume: AMPG NASA EWC CRBP CRSR MRAM
(NASDAQ: MRAM) Delayed: 24.04 -1.49 (5.84%)
Previous Close $25.53    52 Week High $9.99 
Open $23.34    52 Week Low $6.15 
Day High $24.78    P/E N/A 
Day Low $23.05    EPS $0.00 
Volume 515,894