Hindsight Markets Recaps Small-cap stocks on September 18, 2026
TNMG, September 18: a run to $6.98
TNMG opened up 62%, ran to $5.03, then fell below its open by the close.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $6.98, on 12M shares.
The open
It opened up 62%, at $4.36. It ran to $5.03 by 9:42 a.m.
The close
It closed at $3.87, 45% under its high.
What to take from it: The whole move was given back: it finished below the price it opened at.
The details
How it traded, step by step
Gap, run and fade. It gapped up 62.1% to $4.36 at the open, ran from the open to the high of $5.03 in 12 minutes, then gave back 173% of that move by 4:00 p.m., trading at $3.87, below the open.
| Time (ET) | What happened |
|---|---|
| 7:53 a.m. | First trade 20% above the previous close of $2.69 |
| 7:58 a.m. | Volume since 4:00 a.m. passes the whole float, 697,299 shares |
| 8:07 a.m. | Pre-market high, $6.98 |
| 8:07 a.m. | High of the day to the close, $6.98 |
| 9:30 a.m. | The open: $4.36, up 62.1% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $3.87, 44.6% below the high |
The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.
The day in numbers
- Previous close
- $2.69
- Open, 9:30 a.m.
- $4.36
- Gap at the open
- +62.1%
- Pre-market high
- $6.98 at 8:07 a.m.
- High, 4 a.m. to 4 p.m.
- $6.98 at 8:07 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.64
- Close, 4 p.m.
- $3.87
- Change at 4 p.m.
- +43.9%
- After-hours high, 4 p.m. to 8 p.m.
- $4.26 at 7:38 p.m.
- Volume, 4 a.m. to 4 p.m.
- 18.10 million
- Volume after hours, 4 p.m. to 8 p.m.
- 327,163
- Relative volume by 8 p.m.
- 33.8×
- Float
- 697,299 shares, from filings as of September 18, 2026
- Shares outstanding
- 760,573
- Volume, from the one-minute bars: 12.23 million shares before the 9:30 a.m. open (66%), 2.59 million in the first 30 minutes (14%), and 3.61 million in the rest of the day to 8 p.m. (20%).
- Float rotation, the volume since 4 a.m. against the float of 697,299 shares: past it once at 7:58 a.m., twice at 7:59 a.m., three times at 8:02 a.m.
- Other days TNMG met the small-cap rule in our recaps: 5, the latest on October 30, 2026.
On the day's lists: the pre-market gappers, gainers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: price $2 to $20, up 10% or more, relative volume 5× or more, float under 20 million shares, its high reached $1 or more and it started the day at $20 or under (the rule every page uses).
Halts (none)
The exchange's halt feed shows no halts for TNMG that day.
Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).
How we read the data, name a day's shape and pick the stocks: methodology.
Trade this day
Replay TNMG on September 18, 2026 in Hindsight Markets: the real tape, the order book and the halts, on a clock you control, and see where your orders would have filled.