FIW is trading 3.17% higher in pre-market at $108.49, with no clear FIW-specific overnight catalyst identified. - This compares with its September 25 close of $105.16; recent closes had remained near $105. - Broader-market futures are down, a mildly negative backdrop that does not clearly explain the rise. - FIW tracks potable-water and wastewater companies. No pre-market volume or trading-activity figure was provided, so participation cannot be assessed.