Hindsight Markets Recaps Small-cap stocks on September 8, 2026
PLSM, September 8: a 6-K and $3.10
PLSM opened near its previous close after a 6-K, then ran to $2.88 during the session.
News via Stock News API
What happened
Before the open
The news came first: a 6-K at 7:10 a.m. Before the bell it reached $3.10, on 416K shares.
The open
It opened near its previous close, at $2.58. It ran to $2.88 by 10:11 a.m.
The close
It closed at $2.46, 21% 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 5.3% at $2.58, then ran from the open to the high of $2.88 in 41 minutes.
| Time (ET) | What happened |
|---|---|
| 7:00 a.m. | News (PRNewsWire): Pulsenmore Expands into Fertility Care: Completes CE European Registration of Home Ultrasound System for Follicular Monitoring |
| 7:10 a.m. | SEC filing 6-K: 6-K |
| 7:17 a.m. | First trade 20% above the previous close of $2.45 |
| 7:18 a.m. | Pre-market high, $3.10 |
| 7:18 a.m. | High of the day to the close, $3.10 |
| 9:30 a.m. | The open: $2.58, up 5.3% from the previous close |
| 3:58 p.m. | Last trade before the 4:00 p.m. close, $2.46, 20.6% 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
- $2.45
- Open, 9:30 a.m.
- $2.58
- Gap at the open
- +5.3%
- Pre-market high
- $3.10 at 7:18 a.m.
- High, 4 a.m. to 4 p.m.
- $3.10 at 7:18 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.28
- Close, 4 p.m.
- $2.46
- Change at 4 p.m.
- +0.4%
- After-hours high, 4 p.m. to 8 p.m.
- $2.56 at 4:06 p.m.
- Volume, 4 a.m. to 4 p.m.
- 629,666
- Volume after hours, 4 p.m. to 8 p.m.
- 3,714
- Relative volume by 8 p.m.
- 15.0×
- Float
- 3.54 million shares, from filings as of September 8, 2026
- Shares outstanding
- 6.50 million
- From news to the move: the first trade 20% above the previous close came 6 minutes after the latest SEC filing before it (6-K, 7:10 a.m.).
- Volume, from the one-minute bars: 415,788 shares before the 9:30 a.m. open (66%), 42,431 in the first 30 minutes (7%), and 175,161 in the rest of the day to 8 p.m. (28%).
- In our recaps, this is the only day PLSM met the small-cap rule.
On the day's lists: the intraday runners. 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 PLSM 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 PLSM on September 8, 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.