Investor Optimism Lifts FDTS.O to 52-Week High Amid Steady Momentum The First Trust Developed Markets ex-US Small Cap AlphaDEX Fund (FDTS.O) reached a new 52-week high today, buoyed by strong fund inflows and positive investor sentiment. Despite the milestone, technical indicators show a neutral trend, with no overbought signals, suggesting continued interest but limited speculative activity in the near term.1