Hindsight Markets Recaps Small-cap stocks on August 18, 2026
PBM, August 18: one halt and $5.00
PBM opened near its previous close, then ran to $5.00 through one halt during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $3.76, on 264 shares.
The open
It opened near its previous close, at $3.60. It ran to $5.00 by 1:18 p.m.
The halts
Trading stopped once, at 12:58 p.m. The biggest jump was the reopen after 12:58 p.m.: 25% above the last trade before it.
The close
It closed at $4.44, 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 down 0.3% at $3.60, then ran from the open to the high of $5.00 in 228 minutes through a halt.
| Time (ET) | What happened |
|---|---|
| 5:52 a.m. | Pre-market high, $3.76 |
| 9:30 a.m. | The open: $3.60, down 0.3% from the previous close |
| 1:18 p.m. | First trade 20% above the previous close of $3.61 |
| 1:18 p.m. | High of the day to the close, $5.00 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $4.44, 11.2% 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
- $3.61
- Open, 9:30 a.m.
- $3.60
- Gap at the open
- −0.3%
- Pre-market high
- $3.76 at 5:52 a.m.
- High, 4 a.m. to 4 p.m.
- $5.00 at 1:18 p.m.
- Low, 4 a.m. to 4 p.m.
- $3.50
- Close, 4 p.m.
- $4.44
- Change at 4 p.m.
- +23.0%
- After-hours high, 4 p.m. to 8 p.m.
- $4.69 at 5:24 p.m.
- Volume, 4 a.m. to 4 p.m.
- 373,348
- Volume after hours, 4 p.m. to 8 p.m.
- 30,033
- Relative volume by 8 p.m.
- 14.9×
- Float
- 1.14 million shares, from filings as of August 18, 2026
- Shares outstanding
- 2.29 million
- Volume, from the one-minute bars: 264 shares before the 9:30 a.m. open (0%), 1,781 in the first 30 minutes (0%), and 401,336 in the rest of the day to 8 p.m. (99%).
- In our recaps, this is the only day PBM met the small-cap rule.
On the day's lists: the gainers. It is here because it met the small-cap rule on the gainers: 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 (1)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed |
|---|---|---|---|---|---|---|
| 12:58 p.m. | 1:18 p.m. | 20 min 1 s | up 10.0% | $4.96, up 25.3% | down 14.7% | LULD pause (limit up-limit down) |
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 PBM 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.