Hindsight Markets Recaps Small-cap stocks on September 10, 2026
HCAI, September 10: news, seven halts, and a pre-market spike to $5.03
HCAI spiked to $5.03 before the open after news, then gave much of it back in the session.
News via Stock News API
What happened
Before the open
The news came first: news at 4:05 p.m. the day before. Before the bell it reached $5.03, on 170K shares.
The open
It opened near its previous close, at $4.26.
The halts
Each halt froze the price and reopened it somewhere new. The exchange halted it seven times, from 9:40 a.m. to 3:47 p.m. The biggest jump was the reopen after 10:01 a.m.: 10% above the last trade before it.
The close
It closed at $2.45, 51% under its high.
What to take from it: The move happened before the bell. The regular session never got back to the pre-market high.
The details
How it traded, step by step
Pre-market spike. Before the open it spiked 20.3% from $4.18 to $5.03 at 4:00 a.m.. It opened up 1.9% at $4.26 and traded at $2.45 at 4:00 p.m.
| Time (ET) | What happened |
|---|---|
| Sep 9, 4:05 p.m. | News (GlobeNewsWire): Huachen AI Parking Management Technology Holding Co., Ltd. Announces Strategic Cooperation with Beyinda Limited to Expand Precision Metal Components Market in China |
| 4:00 a.m. | First trade 20% above the previous close of $4.18 |
| 4:00 a.m. | Pre-market high, $5.03 |
| 4:00 a.m. | High of the day to the close, $5.03 |
| 9:30 a.m. | The open: $4.26, up 1.9% from the previous close |
| 3:47 p.m. | Last trade before the 4:00 p.m. close, $2.45, 51.3% 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
- $4.18
- Open, 9:30 a.m.
- $4.26
- Gap at the open
- +1.9%
- Pre-market high
- $5.03 at 4:00 a.m.
- High, 4 a.m. to 4 p.m.
- $5.03 at 4:00 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.25
- Close, 4 p.m.
- $2.45
- Change at 4 p.m.
- −41.4%
- After-hours high, 4 p.m. to 8 p.m.
- $2.79 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 425,286
- Volume after hours, 4 p.m. to 8 p.m.
- 52,820
- Relative volume by 8 p.m.
- 6.7×
- Float
- 7.53 million shares, from filings as of September 10, 2026
- Shares outstanding
- 8.16 million
- From news to the move: the first trade 20% above the previous close came 11 hours 55 minutes after the latest news item before it (GlobeNewsWire, Sep 9, 4:05 p.m.).
- Volume, from the one-minute bars: 170,299 shares before the 9:30 a.m. open (36%), 67,931 in the first 30 minutes (14%), and 239,876 in the rest of the day to 8 p.m. (50%).
- Other days HCAI met the small-cap rule in our recaps: 1, the latest on September 9, 2026.
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 (7)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed |
|---|---|---|---|---|---|---|
| 9:40 a.m. | 9:50 a.m. | 10 min 0 s | down 11.8% | $3.11, down 5.5% | down 8.4% | LULD pause (limit up-limit down) |
| 9:53 a.m. | 9:58 a.m. | 5 min 0 s | down 13.4% | $2.80, down 1.8% | up 3.9% | LULD pause (limit up-limit down) |
| 10:01 a.m. | 10:11 a.m. | 10 min 0 s | up 2.1% | $3.20, up 10.0% | up 8.7% | LULD pause (limit up-limit down) |
| 10:13 a.m. | 10:18 a.m. | 5 min 0 s | up 19.6% | $3.48, unchanged | down 6.3% | LULD pause (limit up-limit down) |
| 10:21 a.m. | 10:31 a.m. | 10 min 0 s | down 6.3% | $3.06, down 6.1% | up 0.7% | LULD pause (limit up-limit down) |
| 3:42 p.m. | 3:47 p.m. | 5 min 0 s | down 7.9% | $2.25, down 8.5% | LULD pause (limit up-limit down) | |
| 3:47 p.m. | 4:00 p.m. | 12 min 39 s | down 0.4% | $2.68, up 9.4% | down 6.7% | LULD pause (limit up-limit down) |
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 HCAI on September 10, 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.