Market Movers Stock Market Movers: 10 Biggest Gainers and Losers – 19 October 2026 By Angelica Ballesteros Published October 19, 2026 at 6:47 pm EDT Share << PrevPage 2 of 6Next >>See All 5. QXO: QXO Inc. (QXO) loses 6.63% on portfolio positioning ahead of Q3 earnings early in Nov.4. ARR: ARMOUR Residential REIT Inc. (ARR) falls 6.97% on lack of fresh leads.3. DJT: Trump Media & Technology (DJT) loses 8.01% ahead of Q3 earnings. Share << PrevPage 2 of 6Next >>See All