It's brought huge volatility in prices, so much so that in 2011, your average European car manufacturer saw a raw material price increase of 500 million Euros, wiping away half their operating profits through something they have absolutely no control over.
To je donijelo ogromu nestalnost  u cijenama, toliku da je 2011. godine, kod prosječnog europskog proizvođača  automobila povećanje cijena sirovina za 500 milijuna Eura, izbrisalo polovicu njihovih radnih profita putem nečeg nad čim nemaju  nikakvu kontrolu.