CCNR Has Perks Some sectors are considered defensive, while others fall into the cyclical camp, meaning they're tethered to the economy's performance. Materials is certainly in the latter camp, and that's something to remember when considering ETFs such as the ALPS CoreCommodity Natural Resources ETF (CCNR). For all the talk about the U.S. economy perhaps softening this year — plausible thinking given the state of the jobs market — CCNR has run contrary to that talk, surging more than 28% since the start of ...