Hindsight Markets Recaps Small-cap stocks on August 18, 2026
TNON, August 18: a run to $6.08
TNON opened near its previous close, then ran to $5.99 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $6.08, on 112K shares.
The open
It opened near its previous close, at $5.09. It ran to $5.99 by 3:56 p.m.
The close
It closed at $5.42, 11% under its high.
What to take from it: The move came during the session, not at the open.
The details
How it traded, step by step
Intraday run. It opened up 3.5% at $5.09, then ran from the open to the high of $5.99 in 386 minutes.
| Time (ET) | What happened |
|---|---|
| 6:30 a.m. | First trade 20% above the previous close of $4.92 |
| 6:47 a.m. | Pre-market high, $6.08 |
| 6:47 a.m. | High of the day to the close, $6.08 |
| 9:30 a.m. | The open: $5.09, up 3.5% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $5.42, 10.9% below the high |
| 4:06 p.m. | Volume since 4:00 a.m. passes the whole float, 606,596 shares |
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
- $4.92
- Open, 9:30 a.m.
- $5.09
- Gap at the open
- +3.5%
- Pre-market high
- $6.08 at 6:47 a.m.
- High, 4 a.m. to 4 p.m.
- $6.08 at 6:47 a.m.
- Low, 4 a.m. to 4 p.m.
- $4.76
- Close, 4 p.m.
- $5.42
- Change at 4 p.m.
- +10.2%
- After-hours high, 4 p.m. to 8 p.m.
- $10.11 at 4:30 p.m.
- Volume, 4 a.m. to 4 p.m.
- 151,795
- Volume after hours, 4 p.m. to 8 p.m.
- 7.08 million
- Relative volume by 8 p.m.
- 243.5×
- Float
- 606,596 shares, from filings as of August 18, 2026
- Shares outstanding
- 667,047
- Volume, from the one-minute bars: 111,521 shares before the 9:30 a.m. open (2%), 3,377 in the first 30 minutes (0%), and 7.12 million in the rest of the day to 8 p.m. (98%).
- Float rotation, the volume since 4 a.m. against the float of 606,596 shares: past it once at 4:06 p.m., twice at 4:12 p.m., three times at 4:16 p.m.
- Other days TNON met the small-cap rule in our recaps: 6, the latest on September 30, 2026.
- The next session, August 19, 2026, it was up 101.8% from its previous close at the 4:00 p.m. close.
On the day's lists: the intraday runners, after-hours movers. It is here because it met the small-cap rule on the intraday runners: 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 TNON 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 TNON on August 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.