Trading Volume Surges for First Trust Large Cap Core AlphaDEX Fund The First Trust Large Cap Core AlphaDEX Fund (NASDAQ:FEX) experienced a significant 61% increase in trading volume, reaching 35,742 shares. Despite the surge, the stock dipped 1.7%, closing at $107.27. Analysts note the fund’s stable metrics, including a beta of 1.06 and a PE ratio of 17.90, as indicators of investor interest.1