The VDL ETG Feasability and Functional specification is due in about 24 days
so if DYE's price spike history puts it in the basket of stocks that
targeted algos are likely to benefit from then this might explain the behaviour.
And then it might not.
05/02/2016
"This phase will be conducted over a four month period commencing immediately"
http://www.dyesol.com/media/wysiwyg...L_ETG_Appointed_as_Major_Area_Demo_Expert.pdf
Also the XPRIZE guy wrote a Perovskite article for the Huff Post fyi (nothing new)...
http://www.huffingtonpost.com/peter-diamandis/disrupting-solar_b_9865216.html
http://www.xprize.org/