3D Systems (DDD) call volume and IV increases into EPS

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3D SYSTEMS CORP (NYSE: DDD) Delayed: 3.78 +0.10 (2.72%)
Previous Close $3.68    52 Week High $19.76 
Open $3.72    52 Week Low $6.00 
Day High $3.80    P/E 5.32 
Day Low $3.67    EPS $0.71 
Volume 1,302,798