Plug Power Inc. PLUG spiked higher Thursday afternoon amid the company posting a photo on its blog.
The photo appeared to show Plug Power hydrogen storage tubes near a Praxair, Inc. PX truck.
Below is the section of the blog containing the Praxair photo.
It seems traders speculated that the photo indicated the potential for a new contract between the companies.
Plug Power Inc. traded at $4.53, up 1.91 percent Thursday afternoon.
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