Hindsight Markets Small-cap stocks on September 8, 2026
PLSM on September 8, 2026: why it ran
On September 8, 2026, PLSM opened up 5.3% from the previous close of 2.45 and reached 3.10 at 7:18 a.m. ET. The exchange did not halt it.
- Previous close
- 2.45
- Open, 9:30 a.m.
- 2.58
- Gap at the open
- up 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
- After-hours high, 4 p.m. to 8 p.m.
- 2.56 at 4:06 p.m.
- Last trade before 4:00 p.m.
- 2.46
- Volume
- 633,380
- Relative volume
- 15.0x
- Float
- 3.54 million shares, from filings as of September 8, 2026
- Shares outstanding
- 6.50 million
- Halts
- none in the halt feed
Why it ran
News and SEC filings for PLSM published between the previous session's close and the first minute PLSM traded 20% above it, at 7:17 a.m. ET, newest first, from the same feeds the replay shows.
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6-K
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Pulsenmore Expands into Fertility Care: Completes CE European Registration of Home Ultrasound System for Follicular Monitoring
News via Stock News API
How it traded
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 is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.
The day in numbers
- 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.
Halts
The exchange's halt feed shows no halts for PLSM that day.
On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.
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.