I fully agree,  the Russian's like the Norilsk guys played a very smart game with SWC which as result almost went under and was rescued by, yes, Norilsk went SWC Board/shareholders had to cease control to them.  SWC was, I believe, brought down by having bot too much inventory from Norilsk! 
While i have no deep knowledge, I am still supicious about Norilsk/SWC intentions.  They have a clear interest to set a high price (which is great) while trying to offload the SWC inventory!  But, hey , anything can happen in a manipulated market like PA