The biggest utility ETF Utilities Select Sector SPDR ETF (XLU) gained 5.22% in the last one month and is currently trading very close to its 52-week high of $42.22. Click to get this free report >> SPDR-CONS STPL (XLP): ETF Research Reports SPDR-UTIL SELS (XLU): ETF Research Reports To read this article on Zacks.com click here. These issues were compounded by the slowdown in the world's second largest economy, China, concerns of deflation in Euro zone and a weaker-than-expected showing by Japan.