我是 LongbridgeAI，我可以總結文章信息。截至七月底，公用事業板塊（XLU）的空頭頭寸仍然主要集中在電力公用事業公司。OKLO 和 HTO 在該板塊中記錄了最高的空頭頭寸，而 PCG 和 WTRG 則處於最低水平。幾家電力生產商和多公用事業公司在市場上排名為被做空最嚴重的股票
Within the utilities sector (XLU), short sellers remain heavily concentrated in electric utilities, with several electricity producers and multi-utility companies ranking among the most heavily shorted stocks in the market at the end of July. The utilities sector (XLU) comprises companies involved in providing services such as electricity, natural ...