Couple things of interest in the article, explains a bit about why we are seeing Nickel move and also the mention of Moly hitting the LME..... (Desrosiers)

http://www.commodityonline.com/futures-trading/technical/Base-metals-further-rally-depends-upon-US-equity-14496.html

"Technical buying has continued to see both lead and nickel perform strongly during Tuesday morning, while the liquid contracts like copper aluminium and zinc have tended to look to the dollar for direction."

"With the launch of the LME’s Molybdenum and Cobalt contracts fast approaching, LCH. Clear net has established the initial margins for both metals. The margin for Molybdenum is $6,600/mt (~$3/lb) while the margin for Cobalt is $5,400/mt."

*Desrosiers is a possible Moly and Rare Earth play for ISM imho