Increasing unusual option volume: AMPG NASA EWC CRBP CRSR MRAM

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(NASDAQ: MRAM) Delayed: 13.93 +1.14 (8.91%)
Previous Close $12.79    52 Week High $9.99 
Open $13.27    52 Week Low $6.15 
Day High $14.00    P/E N/A 
Day Low $12.97    EPS $0.00 
Volume 954,688