MSCI stock sinks premarket as AI jitters hit market-data names; Feb 27 index reshuffle in focus
MSCI shares fell 7.8% to $515.66 in premarket trading Wednesday. The drop follows investor concerns over AI-driven disruption in data and analytics, after S&P Global issued a weak 2026 outlook. MSCI’s February index review will add 63 and remove 61 securities from the ACWI, effective Feb. 27.