Stock Market Movers: Biggest Losers and Gainers on 21 October 2026

8. SPCX: SpaceX (SPCX) rallies 7.79% on swing to profitability. Q3 profits hit $4.4B as revenues soar 161%.

7. APLD: Applied Digital (APLD) jumps 8.54% on resumed bargain-hunting and renewed optimism for AI stocks.

6. EROC: ERock (EROC) snaps 3-day losing streak with 8.79% jump on broader market optimism.