Yields on 10-year U.S. Treasuries are up 3.1% in the past week, but at 2.72%, those yields still have a little way to go before touching the ominous 3% level.

Recent action in utilities ETFs could be a sign that U.S. yields are set to soar again, threatening an array of other income-generating sectors and asset classes such as consumer staples, master limited partnerships and real estate investment trusts. [Utilities ETFs Stung by Rising Rates]

On Monday, there was unusual volume in several U.S. utilities ETFs. For example, the iShares US Utilities ETF (NYSEArca: IDU) saw volume that was well above the daily average on Monday, according to data from ETF execution firm WallachBeth Capital.  [Chart Says Volume Soares in Utilities, Dividend ETFs]

Turnover in the First Trust Utilities AlphaDEX Fund (NYSEArca: FXU) was also unusually high on Monday.  [Volume High Again in Utilities ETFs]

The Utilities Select Sector SPDR (NYSEArca: XLU), the largest utilities ETF by assets, IDU and FXU were three of the worst six non-leveraged ETFs on Monday, according to the WallachBeth data.

Subscribe to our free daily newsletters!
Please enter your email address to subscribe to ETF Trends' newsletters featuring latest news and educational events.