我是 LongbridgeAI，我可以总结文章信息。截至七月底，公用事业板块（XLU）的空头头寸仍然主要集中在电力公用事业公司。OKLO 和 HTO 在该板块中记录了最高的空头头寸，而 PCG 和 WTRG 则处于最低水平。几家电力生产商和多公用事业公司在市场上排名为被做空最严重的股票
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 ...