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

5. SMCI: Super Micro Computer (SMCI) extends winning streak for 4th day, climbs 9.55% on higher revenue growth forecast.

4. NTSK: Netskope Inc. (NTSK) extends rally for 3rd day, surges 10.04% on cybersecurity stocks rally.

3. ABSI: Absci Corp. (ABSI) extends rally to 3rd day, up 10.69% as Keybanc maintains overweight rating, hikes price target to $20—double its current stock price.