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Short interest in the two-week period ending May 29 fell on the four 3D printing stocks we follow. With one exception share, prices fell during the two-week period.

Short interest in 3D Systems Corp. (NYSE: DDD) fell 2.4% to 35.04 million shares. Some 33.1% of the company’s float is short. Days to cover rose to 14. In the two-week short interest period, the share price fell 0.6%. The stock’s 52-week range is $20.82 to $69.56, and shares closed at $21.71 on Tuesday, up about 0.8% on the day.

Stratasys Ltd. (NASDAQ: SSYS) saw short interest fall by 0.3% in the latter two weeks of May to about 10.44 million shares, or about 23.3% of the company’s float. Days to cover rose to eight. The share price rose 2.6% in the two-week period. The stock closed at $37.06 on Tuesday, up fractionally on the day, and the 52-week range is $33.85 to $130.83.

Short interest in The ExOne Co. (NASDAQ: XONE) fell 5.2% to 3.1 million shares. About 34.1% of the company’s shares are now short. Shares of ExOne fell nearly 1.3% in the period. The stock’s 52-week range is $11.86 to $48.66 and shares closed at $13.13 on Tuesday, up about 1.1% for the day. Days to cover rose to 23. The company is scheduled to report earnings Thursday, after delaying the report for about a month.

Voxeljet A.G. (NYSE: VJET) saw short interest fall 10.2% to 1.54 million shares, with days to cover falling to eight. The share price fell about 2.4% in the weeks to May 29. The stock closed at $7.82 on Tuesday, down about 0.4% for the day, in a 52-week range of $7.13 to $27.41.

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