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

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3D SYSTEMS CORP (NYSE: DDD) Delayed: 3.49 -0.08 (2.24%)
Previous Close $3.57    52 Week High $19.76 
Open $3.55    52 Week Low $6.00 
Day High $3.55    P/E 4.92 
Day Low $3.41    EPS $0.71 
Volume 407,811