(Opalesque) Hedge funds generated gains in July 2017 of 1.15%, continuing a streak of nine consecutive months of positive returns, reports research house Preqin. This has helped the Preqin All-Strategies Hedge Fund benchmark post returns of 5.93% for 2017 YTD and 9.63% for the past 12 months. All top-level strategies produced positive returns for July 2017, with equity strategies in particular continuing a strong year, returning 1.66%, the highest return of any of its counterparts…