iShares U.S. Utilities ETF (NYSEARCA:IDU – Get Free Report) was the recipient of a significant decrease in short interest during the month of January. BOKF NA bought a new stake in iShares U.S. Utilities ETF in the third quarter worth about $35,000. Get iShares U.S. Utilities ETF alerts:iShares U.S. Utilities ETF Stock Down 0.2%NYSEARCA:IDU traded down $0.19 during trading hours on Wednesday, hitting $110.31. About iShares U.S. Utilities ETFiShares U.S. Utilities ETF (the Fund) is an exchange-traded fund. Featured StoriesReceive News & Ratings for iShares U.S. Utilities ETF Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for iShares U.S. Utilities ETF and related companies with MarketBeat.com's FREE daily email newsletter.