Hindsight Markets Recaps Small-cap stocks on September 11, 2026
ACVA, September 11: news and a gap that held
ACVA opened up 45% after news and held near that level into the close.
News via Stock News API
What happened
Before the open
The news came first: news at 6:57 p.m. the day before. Before the bell it reached $10.46, on 29M shares.
The open
It opened up 45%, at $10.45.
The close
It closed at $10.41, near its high.
What to take from it: The gap was the move. After the open it went sideways.
The details
How it traded, step by step
Gap and hold. It gapped up 44.7% to $10.45 at the open and held near or above it, trading at $10.41 at 4:00 p.m.
| Time (ET) | What happened |
|---|---|
| Sep 10, 4:16 p.m. | News (Business Wire): Copart to Acquire ACV, Expanding Position Across the Vehicle Remarketing Ecosystem |
| Sep 10, 4:55 p.m. | News (Benzinga): Copart Stock Jumps on Mixed Q4, Acquisition of ACV Auctions |
| Sep 10, 6:57 p.m. | News (Business Wire): ACVA Stock Alert: Halper Sadeh LLC is Investigating Whether ACV is Obtaining a Fair Price for its Shareholders |
| 4:00 a.m. | First trade 20% above the previous close of $7.22 |
| 8:57 a.m. | Pre-market high, $10.46 |
| 8:57 a.m. | High of the day to the close, $10.46 |
| 9:30 a.m. | The open: $10.45, up 44.7% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $10.41, 0.5% 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
- $7.22
- Open, 9:30 a.m.
- $10.45
- Gap at the open
- +44.7%
- Pre-market high
- $10.46 at 8:57 a.m.
- High, 4 a.m. to 4 p.m.
- $10.46 at 8:57 a.m.
- Low, 4 a.m. to 4 p.m.
- $10.30
- Close, 4 p.m.
- $10.41
- Change at 4 p.m.
- +44.2%
- After-hours high, 4 p.m. to 8 p.m.
- $10.43 at 4:12 p.m.
- Volume, 4 a.m. to 4 p.m.
- 57.73 million
- Volume after hours, 4 p.m. to 8 p.m.
- 1.88 million
- Relative volume by 8 p.m.
- 23.2×
- Float
- 159.45 million shares, from filings as of September 11, 2026
- Shares outstanding
- 169.81 million
- From news to the move: the first trade 20% above the previous close came 9 hours 3 minutes after the latest news item before it (Business Wire, Sep 10, 6:57 p.m.).
- Volume, from the one-minute bars: 28.69 million shares before the 9:30 a.m. open (48%), 9.16 million in the first 30 minutes (15%), and 21.76 million in the rest of the day to 8 p.m. (36%).
- Other days ACVA met the small-cap rule in our recaps: 1, the latest on September 10, 2026.
On the day's lists: the intraday runners. It is here because it was in play on the intraday runners: up 30% or more on $3 million or more really traded, outside the small-cap rule's price, relative volume or float, 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 ACVA 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 ACVA on September 11, 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.