HCAI, September 9: news and an after-hours run to $5.59

After-hours run. It opened down 1.0% at $4.03 and traded at $4.20 at the 4:00 p.m. close, then ran 33.1% from $4.20 to $5.59 at 4:11 p.m. after the close, on 1.25 million shares traded after hours.

The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.

Previous close

$4.07

Open, 9:30 a.m.

$4.03

Gap at the open

−1.0%

Pre-market high

$4.79 at 4:13 a.m.

High, 4 a.m. to 4 p.m.

$4.79 at 4:13 a.m.

Low, 4 a.m. to 4 p.m.

$4.01

Close, 4 p.m.

$4.20

Change at 4 p.m.

+3.2%

After-hours high, 4 p.m. to 8 p.m.

$5.59 at 4:11 p.m.

Volume, 4 a.m. to 4 p.m.

4,686

Volume after hours, 4 p.m. to 8 p.m.

1.25 million

Relative volume by 8 p.m.

n/m

Float

7.53 million shares, from filings as of September 9, 2026

Shares outstanding

8.16 million

• From news to the move: the first trade 20% above the previous close came less than a minute after the latest news item before it (GlobeNewsWire, 4:05 p.m.).
• Volume, from the one-minute bars: 1,288 shares before the 9:30 a.m. open (0%), 294 in the first 30 minutes (0%), and 1.25 million in the rest of the day to 8 p.m. (100%).
• Other days HCAI met the small-cap rule in our recaps: 1, the latest on September 10, 2026.
• The next session, September 10, 2026, it was down 41.4% from its previous close at the 4:00 p.m. close.

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).

The exchange's halt feed shows no halts for HCAI that day.

Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).