Increasing unusual option volume: AMPG NASA OTLK SBLK LASE

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(NYSE: NASA) Delayed: 23.56 -0.03 (0.13%)
Previous Close $23.59    52 Week High
Open $22.93    52 Week Low
Day High $23.87    P/E N/A 
Day Low $22.89    EPS
Volume 472,278