Hindsight Markets Recaps Small-cap stocks on August 28, 2026
AEMD, August 28: a run to $3.51
AEMD opened up 35%, ran to $3.29, then fell below its open by the close.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $3.51, on 9M shares.
The open
It opened up 35%, at $2.92. It ran to $3.29 by 9:54 a.m.
The close
It closed at $2.48, 29% under its high.
What to take from it: The whole move was given back: it finished below the price it opened at.
The details
How it traded, step by step
Gap, run and fade. It gapped up 34.6% to $2.92 at the open, ran from the open to the high of $3.29 in 24 minutes, then gave back 219% of that move by 4:00 p.m., trading at $2.48, below the open.
| Time (ET) | What happened |
|---|---|
| 4:00 a.m. | First trade 20% above the previous close of $2.17 |
| 4:00 a.m. | Pre-market high, $3.51 |
| 4:00 a.m. | High of the day to the close, $3.51 |
| 4:11 a.m. | Volume since 4:00 a.m. passes the whole float, 709,685 shares |
| 9:30 a.m. | The open: $2.92, up 34.6% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.48, 29.3% 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
- $2.17
- Open, 9:30 a.m.
- $2.92
- Gap at the open
- +34.6%
- Pre-market high
- $3.51 at 4:00 a.m.
- High, 4 a.m. to 4 p.m.
- $3.51 at 4:00 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.44
- Close, 4 p.m.
- $2.48
- Change at 4 p.m.
- +14.3%
- After-hours high, 4 p.m. to 8 p.m.
- $2.49 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 18.65 million
- Volume after hours, 4 p.m. to 8 p.m.
- 394,372
- Relative volume by 8 p.m.
- 41.4×
- Float
- 709,685 shares, from filings as of August 28, 2026
- Shares outstanding
- 711,136
- Volume, from the one-minute bars: 8.99 million shares before the 9:30 a.m. open (47%), 5.13 million in the first 30 minutes (27%), and 4.92 million in the rest of the day to 8 p.m. (26%).
- Float rotation, the volume since 4 a.m. against the float of 709,685 shares: past it once at 4:11 a.m., twice at 4:34 a.m., three times at 5:08 a.m.
- Other days AEMD met the small-cap rule in our recaps: 2, the latest on September 17, 2026.
On the day's lists: the pre-market gappers, gainers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: 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 AEMD 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 AEMD on August 28, 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.