Lead · largest opening gap
Top gappers on : BKYI, SSTI and SLND
2 of the top 10 had an SEC filing or a trading halt between the previous close and this session’s close.
Rank 1BKYIBIO KEY INTERNATIONAL INC
- Opening gap
- +100.60%
- Day
- +85.71%
- HOD (ET)
- 4.6610:04 ET
- Est. turnover
- $546.6M
- Gap-ups (≥1M shares)
- 882
On Tuesday, September 29, 2026, 882 US-listed common stocks and common-stock ADRs opened above their previous close with at least 1M shares of daily volume. The largest opening gap was BKYI at +100.60%.
BKYI (BIO KEY INTERNATIONAL INC) opened at 3.37, +100.60% from the previous close of 1.68. Its high of day was 4.66 at 10:04 ET. It closed at 3.12, +85.71% on the day, on an estimated $546.6M of turnover. SEC filings and news were not collected for this session.
JELD (JELD-WEN Holding, Inc.) opened at 2.06, +16.38% from the previous close of 1.77. It closed at 1.99, +12.43% on the day, on an estimated $12.1M of turnover.
SLXN (Silexion Therapeutics Corp) opened at 0.3187, +28.30% from the previous close of 0.2484. Its high of day was 0.5099 at 07:18 ET. It closed at 0.3184, +28.18% on the day, on an estimated $99.0M of turnover.
MSGY (Masonglory Ltd) opened at 3.94, +25.88% from the previous close of 3.13. Its high of day was 6.00 at 17:46 ET. It closed at 4.44, +41.85% on the day, on an estimated $132.1M of turnover.
NCPL (Netcapital Inc.) opened at 1.34, +24.07% from the previous close of 1.08. Its high of day was 1.86 at 09:47 ET. It closed at 1.22, +12.96% on the day, on an estimated $55.6M of turnover.
Pre-market: 6 of 9 highs of day.
Across the small caps the map tracks, 1,179 advanced and 1,709 declined, with an estimated $18.5B in dollar volume.
Behind it in the ranking: SLXN +28.30% (+28.18% on the day); MSGY +25.88% (+41.85% on the day); NCPL +24.07% (+12.96% on the day); JELD +16.38% (+12.43% on the day).
2 of the top 10 had an SEC filing or a trading halt between the previous close and this session’s close.
