Increasing unusual put option volume: NE SPIR ACI

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Spire Corporation (NYSE: SPIR) Delayed: 14.74 -0.08 (0.54%)
Previous Close $14.82    52 Week High $0.10 
Open $14.96    52 Week Low $0.01 
Day High $15.16    P/E N/A 
Day Low $14.52    EPS $-0.55 
Volume 639,190