Editor's Note: This content was originally published on Benzinga.com by The ETF Professor Benzinga Staff Writer. Small ETFs -- meaning those funds that labor below the much ballyhooed $100 million in assets under management watermark -- are once again up to big things. At least some of them are. Coming off a year in which some sub-$100 million funds were among the top performers in the ETF universe select low-asset funds are again showing that ignoring an ETF on the basis of AUM can mean missing out on tidy returns. Remember an ETF's AUM total is not the only ...