Think more than 3,000 ETFs is a lot? Think even bigger because the industry is booming, with another 431 funds coming online last year. That asks a lot of advisors trying to find the signal in the ETF noise, the focus of the ETF U: Sorting Through a Growing ETF Universe panel Sunday at Exchange: [...] The post Exchange ETF U: Watch Out For “Gremlins” appeared first on ETF Trends .