Shares of 3D printer-maker Stratasys (NASDAQ: SSYS), which have tread water for most of the past week, took a sudden turn to the upside on Friday, roaring ahead 10.2% through 12:40 p.m. ET. Rival 3D printing concerns are racing higher as well, with 3D Systems (NYSE: DDD) rising 10.4%, and Desktop Metal (NYSE: DM) up a solid 5%.

Why all the excitement about additive manufacturing technologies today? Because this morning, we learned the rival 3D printer-maker 3D Systems is interested in buying Stratasys.

Seriously, folks, this Stratasys saga just keeps getting more and more curious.

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Source Fool.com