Market movers — 2026-08-21

Close-to-close moves at the 2026-08-21 close, computed from daily closes across the Closelook universe. Diary readings, not advice.

Gainers

Name1-dayClosevs 200-dayOff 52w high
Robinhood Markets Inc HOOD+13.7%108.13+12.5%29.7%
Gamma Communications PLC GAMA.L+11.6%1082+19.1%8.8%
Rigetti Computing Inc RGTI+11.5%17.91-10.7%69.2%
Virtu Financial, Inc. VIRT+11.0%67.93+47.2%1.1%
Samsung Life 032830.KS+10.6%328500+31.6%36.4%
Zhipu AI / Z.ai 2513.HK+10.4%1129+18.4%62.1%
Pacific Biosciences of California PACB+9.8%1.35-18.4%50.5%
Wan Hai Lines Ltd 2615.TW+9.7%124.5+55.0%0.0%
Quantum Computing Inc QUBT+9.6%8.92-8.1%65.5%
Moderna Inc MRNA+8.9%145.13+197.8%17.8%
NIBE Industrier AB (publ) NIBE-B.ST+8.8%41.99+12.8%10.6%
Southern Copper Corporation SCCO+8.7%216+24.7%2.6%
D-Wave Quantum Inc. Common Stock QBTS+8.5%20.39-7.4%56.4%
Samsung Electronics Co Pref 005935.KS+8.3%207000+46.1%15.0%
Coinbase Global Inc COIN+8.2%186.49-6.1%53.6%

Decliners

Name1-dayClosevs 200-dayOff 52w high
ZIP Co Ltd ZIP.AX-15.7%2.57-1.8%47.9%
Cable One Inc CABO-13.0%22.82-72.2%87.4%
LIG Nex1 Co Ltd 079550.KS-11.7%695000+6.0%37.8%
Hut 8 Corp. Common Stock HUT-8.8%80.86+10.6%42.6%
Alibaba Group Holding Ltd BABA-8.6%119.34-13.4%38.1%
Doosan Corp. 000150.KS-8.5%1078000-8.5%56.7%
Cipher Mining Inc CIFR-8.4%15.77-14.9%47.7%
Kakao Corp 035720.KS-7.5%35800-27.9%48.6%
DB HiTek Co Ltd 000990.KS-7.4%89700-13.6%61.1%
Hyundai Engineering & Construction 000720.KS-7.2%105600-8.9%46.8%
Pro Medicus Ltd PME.AX-7.0%191.6+9.8%40.4%
Hanwha Aerospace 012450.KS-7.0%1085000-5.4%34.4%
Hanwha Systems Co Ltd 272210.KS-6.6%70300-21.8%61.8%
LG Innotek Co Ltd 011070.KS-6.3%550000+12.3%69.2%
DroneShield DRO.AX-6.2%1.83-39.8%72.7%

← 2026-08-20 All dates

AI-generated — produced automatically by Closelook’s systems under this site’s editorial policy.