OMAHA, Neb.–(BUSINESS WIRE)–The Investor Movement Index® (IMX℠) remained at 4.57 in March, unchanged from its score in February. The IMX is TD Ameritrade’s proprietary, behavior-based index, aggregating Main Street investor positions and activity to measure what investors actually were doing and how they were positioned in the markets. The reading for the five-week period ending March 31, 2023 ranks “moderate low” compared to historic averages. “March was full of surprises, but the overall im My Business Wire News