Hindsight Markets Recaps Small-cap stocks on September 4, 2026
GRI, September 4: a run to $3.36
GRI opened near its previous close, then ran to $3.36 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $2.40, on 4K shares.
The open
It opened near its previous close, at $2.34. It ran to $3.36 by 2:34 p.m.
The close
It closed at $2.87, 15% 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 2.2% at $2.34, then ran from the open to the high of $3.36 in 304 minutes.
| Time (ET) | What happened |
|---|---|
| 7:23 a.m. | Pre-market high, $2.40 |
| 9:30 a.m. | The open: $2.34, up 2.2% from the previous close |
| 1:27 p.m. | First trade 20% above the previous close of $2.29 |
| 2:34 p.m. | High of the day to the close, $3.36 |
| 3:32 p.m. | Volume since 4:00 a.m. passes the whole float, 2.19 million shares |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.87, 14.6% 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
- $2.29
- Open, 9:30 a.m.
- $2.34
- Gap at the open
- +2.2%
- Pre-market high
- $2.40 at 7:23 a.m.
- High, 4 a.m. to 4 p.m.
- $3.36 at 2:34 p.m.
- Low, 4 a.m. to 4 p.m.
- $2.21
- Close, 4 p.m.
- $2.87
- Change at 4 p.m.
- +25.3%
- After-hours high, 4 p.m. to 8 p.m.
- $2.88 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 2.44 million
- Volume after hours, 4 p.m. to 8 p.m.
- 180,978
- Relative volume by 8 p.m.
- 13.9×
- Float
- 2.19 million shares, from filings as of September 4, 2026
- Shares outstanding
- 2.19 million
- Volume, from the one-minute bars: 4,294 shares before the 9:30 a.m. open (0%), 12,636 in the first 30 minutes (0%), and 2.61 million in the rest of the day to 8 p.m. (99%).
- Float rotation, the volume since 4 a.m. against the float of 2.19 million shares: past it once at 3:32 p.m.
- Other days GRI met the small-cap rule in our recaps: 1, the latest on August 11, 2026.
On the day's lists: the gainers, intraday runners. 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 (none)
The exchange's halt feed shows no halts for GRI 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 GRI on September 4, 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.