Hedge funds were essentially flat in August after five straight months of gains, according to a flash update of the Eurekahedge Fund Index, impacted by weakness in CTA/managed futures and macro managers.Eureka’s Hedge Fund Index was marginally negative at 0.06% during the month, leaving it up 2.5% for the year to date, while roughly 60% of the measure's constituent managers are positive territory so far this year.read more