Markets & Economy $57 Billion Just Rushed Into SPYM | Is SPY’s Cheaper Twin Finally Taking Over? August 29, 2026 · 4:10 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverage$57 Billion Just Rushed Into SPYM | Is SPY’s Cheaper Twin Finally Taking Over?Yahoo Finance · August 29, 2026 16:10