Spero Therapeutics Announces Fourth Quarter and Full Year 2022 Operating Results and Provides Business Update

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SmartPros Ltd. (NASDAQ: SPRO) Delayed: 2.28 +0.17 (8.06%)
Previous Close $2.11    52 Week High $3.85 
Open $2.51    52 Week Low $1.25 
Day High $2.51    P/E N/A 
Day Low $2.15    EPS $-0.28 
Volume 7,195,321