After peaking in 2011, TR/CoreCommodity CRB Total Return Index has traded in a tight declining trend channel.
The falling trend channel is marked by each (1).
As you can see, price recently fell through the support line at (2), leading to lower lows before the recent rally attempt.
Commodities have rallied back to point (2) – (prior support turned resistance).
If commodities start experiencing selling pressure/weakness from here, then it would suggest that we may be experiencing a counter-trend (growth) peak.
The world would receive a short-term positive growth message if commodities succeeded in breaking above resistance at (2).
An important inflection point is in play for commodities at this time.