Markets & Economy MARA Holdings Shares Fall 5.7% After JPMorgan Double Downgrade September 14, 2026 · 12:06 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageMARA Holdings Shares Fall 5.7% After JPMorgan Double DowngradeYahoo Finance · September 14, 2026 12:06