Benzinga's Mandatory ETF Reading for September 16, 2013

Big winners (up at least 5%): VelocityShares 3x Long Natural Gas ETN UGAZ.

Big losers (down at least 5%): VelocityShares 3x Inverse Natural Gas ETN DGAZ.

Unusual volume (at least 5X ADV): Global X China Energy ETF CHIE, iShares MSCI Poland Investable Market ETF EPOL, First Trust AlphaDEX Utilities Fund FXU, iShares US Utilities ETF IDU, Global X Social Media Index ETF SOCL and the PowerShares Dynamic Utilities ETF PUI.

Must reads of the day:

Fabian Capital Management: Building an ETF portfolio for cheapskates.

ETF Trends: China ETFs could keep climbing if this technical analyst is correct.

ETF Trends: Some guy named Summers and Fed tapering.

Barron's: Money is is returning to emerging markets ETFs.

The Alibaba IPO is important to Internet ETFs,too.

Checking in with Hong Kong.

BlackRock/iShares: The Paradox in Fed QE Tapering.