Market Movers-News Stock Market Movers: Biggest Losers and Gainers on 22 October 2026 By Angelica Ballesteros Published October 22, 2026 at 7:22 pm EDT Share << PrevPage 2 of 6Next >>See All 5. GGG: Graco Inc. (GGG) falls 15.32% as Q4 outlook misses expectations.4. SEI: Solaris Energy (SEI) tumbles 15.51% ahead of Q3 earnings.3. MRNA: Moderna (MRNA) loses 17.57% on profit-taking after 3-day gain. Share << PrevPage 2 of 6Next >>See All