Why they moved: filings and halts

Stored SEC filings and exchange halt records for each leader between the previous close (2026-10-27 16:00 ET) and this session’s close (2026-10-28 16:00 ET). Facts with source links; no interpretation.

Rank 1ULBI

ULTRALIFE CORP

Opening gap: +145.44%
Day: +145.44%
HOD (ET): 15.6709:35 ET
Est. turnover: $39.1M

8-KOtherUltralife Corporation2026-10-28 12:13 ET

Rank 2BRAI

Braiin Ltd

Opening gap: +49.09%
Day: +8.76%
HOD (ET): 5.4010:07 ET
Est. turnover: $254.9M

6-KForm 6-K filed with the SEC2026-10-28 13:00 ET

Rank 3CHSN

Chanson International Holding

Opening gap: +39.81%
Day: +35.19%
HOD (ET): 1.7013:02 ET
Est. turnover: $102.9M

Trading haltLULD volatility pause (LUDP) · resumed 2026-10-28 09:38 ET · Exchange halt records2026-10-28 09:33 ET
Trading haltLULD volatility pause (LUDP) · resumed 2026-10-28 09:57 ET · Exchange halt records2026-10-28 09:52 ET
Trading haltLULD volatility pause (LUDP) · resumed 2026-10-28 10:24 ET · Exchange halt records2026-10-28 10:19 ET

Rank 4ELPW

Elong Power Holding Ltd.

Opening gap: +39.34%
Day: +22.95%
HOD (ET): 3.8407:00 ET
Est. turnover: $130.7M

6-KOtherPower Holding Limited (NASDAQ: ELPW) Announces Subsidiary’s Entry into a US$25.5 Million Annual Cooperation Agreement, Marking2026-10-28 06:09 ET

Rank 5AIOK

AI OKTO Corp.

Opening gap: +30.63%
Day: +109.69%
HOD (ET): 33.8816:57 ET
Est. turnover: $523.9M

SCHEDULE 13D/AOwnership filingAI OKTO Corp. filed a SCHEDULE 13D/A2026-10-27 18:40 ET

Rank 6DAVI

DAVION HEALTHCARE PLC

Opening gap: +24.00%
Day: +9.67%
HOD (ET): 4.9504:00 ET
Est. turnover: $32.8M

No SEC filing or news found by the close.

Rank 7BOOM

DMC Global Inc.

Opening gap: +23.74%
Day: +44.49%
HOD (ET): 7.9519:41 ET
Est. turnover: $55.4M

8-KEarningsFOR IMMEDIATE RELEASE: CONTACT:2026-10-27 16:06 ET

Rank 8AXGN

Axogen, Inc.

Opening gap: +21.32%
Day: +31.47%
HOD (ET): 49.9714:49 ET
Est. turnover: $441.5M

8-KEarningsEX-99.1 Q3 2026 EARNINGS PRESS RELEASE2026-10-28 07:04 ET

Rank 9LUNG

Pulmonx Corp

Opening gap: +19.70%
Day: +27.27%
HOD (ET): 2.7710:15 ET
Est. turnover: $19.0M

8-KEarningsPulmonx Reports Third Quarter 2026 Financial Results2026-10-27 16:07 ET

Rank 10BKYI

BIO KEY INTERNATIONAL INC

Opening gap: +17.73%
Day: +14.81%
HOD (ET): 3.4007:43 ET
Est. turnover: $47.4M

No SEC filing or news found by the close.

Retrospective data built after the session from stored records, with links to the original sources. Not real-time, not investment advice and not a recommendation to buy or sell any security.