No. 13
Market temperatureSmall Cap Market Map heatVery hot

Market breadthUp1,169Down1,708Flat86Gap-ups (≥1M shares) 1,044

No. 13Closed 16:00 ETRanking stored Inside: Top movers A2 Why they moved A3 HOD timing A4 Market map & FESCI A5 Articles A6

Sections of this recap

Lead · largest opening gap

Top gappers on : GIPR, IMCC and SSM

Rank 1GIPRGENERATION INCOME PROPERTIES, INC.

Opening gap
+239.02%
Day
+63.44%
HOD (ET)
1.7309:40 ET
Est. turnover
$327.8M
Gap-ups (≥1M shares)
1,044

On Friday, September 18, 2026, 1,044 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 GIPR at +239.02%.

GIPR (GENERATION INCOME PROPERTIES, INC.) opened at 1.49, +239.02% from the previous close of 0.4395. Its high of day was 1.73 at 09:40 ET. It closed at 0.7183, +63.44% on the day, on an estimated $327.8M of turnover. SEC filings and news were not collected for this session.

CPOP (Pop Culture Group Co., Ltd) opened at 4.72, +26.88% from the previous close of 3.72. Its high of day was 5.98 at 04:28 ET. It closed at 4.11, +10.48% on the day, on an estimated $34.3M of turnover.

USDE (StableCoinX Inc.) opened at 9.54, +23.74% from the previous close of 7.71. Its high of day was 10.55 at 15:22 ET. It closed at 10.19, +32.17% on the day, on an estimated $142.5M of turnover.

NCPL (Netcapital Inc.) opened at 0.687, +22.00% from the previous close of 0.5631. Its high of day was 1.12 at 11:07 ET. It closed at 0.7407, +31.54% on the day, on an estimated $106.6M of turnover.

BIAF (bioAffinity Technologies, Inc.) opened at 10.66, +21.83% from the previous close of 8.75. Its high of day was 12.48 at 09:37 ET. It closed at 9.43, +7.77% on the day, on an estimated $111.9M of turnover.

Pre-market: 4 of 10 highs of day.

Across the small caps the map tracks, 1,169 advanced and 1,708 declined, with an estimated $19.2B in dollar volume.

Behind it in the ranking: CPOP +26.88% (+10.48% on the day); USDE +23.74% (+32.17% on the day); NCPL +22.00% (+31.54% on the day); BIAF +21.83% (+7.77% on the day).

SEC filings and news were not collected for this session.

Continued in Why they moved

Stocks in focus

  1. Rank 2IMCC+86.21%Day +143.10%

    IM Cannabis Corp.

    High of day 8.65 at 10:10 ET; estimated turnover $563.2M.

  2. Rank 3SSM+65.07%Day +3.42%

    Sono Group N.V.

    High of day 3.19 at 04:19 ET; estimated turnover $90.8M.

  3. Rank 4TNMG+61.34%Day +43.87%

    TNL Mediagene

    High of day 7.00 at 08:07 ET; estimated turnover $178.0M.

  4. Rank 5TRUG+34.71%Day +29.76%

    TruGolf Holdings, Inc.

    High of day 0.7544 at 10:14 ET; estimated turnover $148.3M.

  5. Rank 6MEDS+28.66%Day -18.97%

    DataMeds AI, Inc.

    High of day 6.88 at 07:38 ET; estimated turnover $85.6M.

Stored Top Gappers ranking and HOD archive

Learning corner

Lessons and terms behind this session

Market map & FESCI

The Small Cap Market Map for this session loads here.Market Map data as of

Small-cap dollar volume (est.)
$19.2B

Top movers

Held or faded

3 of 10 closed at or above the open

Stored Top Gappers ranking

HOD timing

Pre-market: 4 of 10 highs of day

The Gapper HOD Timeline for this session loads here.

  1. Pre-market04:00–09:304 of 10
  2. First 30 minutes09:30–10:002 of 10
  3. Morning10:00–12:003 of 10
  4. Afternoon12:00–16:001 of 10
  5. After hours16:00–20:000 of 10

Further reading

Method

Top Gappers Calendar default method: US-listed common stocks and common-stock ADRs, daily volume ≥ 1,000,000 shares, opening gap highest first

Every session in September 2026

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.