Some traders have been ringing the bell for the bottom of the commodities collapse, just as markets are sniffing out the earliest signs of inflation.

That's important since a turn in commodities prices could mean a pickup in inflation, which is already starting to materialize, and that could get the Fed moving faster on interest rate hikes. Fed funds futures on Monday began to price in a full rate increase for December, for the first time since late January. Futures had been pointing to the first rate hike in March 2017.