Short interest fell during the two-week reporting period ending November 30 on two of four 3D printing stocks we follow. Trading action indicated a lack of interest among short sellers, with days to cover rising on all four stocks. Short interest in 3D Systems Corp. increased by 3.9% to 22.78 million shares in the two-week reporting period. In the short interest period, the share price dropped by 4.6%. The stock’s 52-week trading range is $8.53 to $21.78, and shares closed at $11.40 on Tuesday, down about 0.9% on the day. Stratasys Ltd. saw short interest dip by 0.5% in the last two weeks of November to about 6.42 million shares, or 12.7% of the company’s float. Short interest in The ExOne Co. dropped by 2% to 2.52 million shares. Short interest in Voxeljet A.G. increased by 4.8% to 409,969 American depositary shares, with days to cover rising from six to 10.

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