BTW, here's another version of the article already posted by Tombu that actually includes the "graphite pyramid".
http://www.investing.com/analysis/graphite-investors-should-look-for-large-flakes,-small-resources-204888
Is that Uley sitting up the top cleverly disguised as STGR.L?
Note SER.AX still sitting second tier, mailed the author suggesting an update.