Volatility spiking in some stocks - see which ones

We're starting to see some decent volatility in particular sectors...with Iron Ore and Oil front and centre. Have a look at Fortesque (FMG) over the past three weeks. The standard deviation on it's daily price has been a pretty staggering 3.9% - Hence why traders like it... Another decent down day expected after Iron Ore dropped -4% on Friday night + Oil also got crunched - down -4.9%. Commodities still a v'hard place to be at present...more here (VIEW LINK)