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Hindsight Markets Recaps Small-cap stocks on September 8, 2026

HCWB, September 8: news and a pre-market spike to $3.86

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HCWB spiked to $3.86 before the open after news, then gave much of it back in the session.

News via Stock News API

News$3.86$2.94$2.104 a.m.9:30noon4 p.m.8 p.m.
HCWB on September 8, 2026, one-minute bars, New York time. Bands: halts. Flags: the news or filing before the move. Dotted line: the previous close. Shaded: before the 9:30 a.m. open and after the 4:00 p.m. close.

What happened

Before the open

The news came first: news at 8:50 a.m. Before the bell it reached $3.86, on 1.1M shares.

The open

It opened down 14%, at $2.52.

The close

It closed at $2.45, 37% 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 31.3% from $2.94 to $3.86 at 8:52 a.m.. It opened down 14.3% at $2.52 and traded at $2.45 at 4:00 p.m.

Time (ET)What happened
8:50 a.m.News (GlobeNewsWire): HCW Biologics Entered an Exclusive Distribution Agreement with Akron Biotech to Commercialize HCW11-006 as Reagent Used to Support Production of Highly Functional Human CAR-T Cells
8:50 a.m.First trade 20% above the previous close of $2.94
8:52 a.m.Pre-market high, $3.86
8:52 a.m.High of the day to the close, $3.86
9:30 a.m.The open: $2.52, down 14.3% from the previous close
3:59 p.m.Last trade before the 4:00 p.m. close, $2.45, 36.5% 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
$2.94
Open, 9:30 a.m.
$2.52
Gap at the open
−14.3%
Pre-market high
$3.86 at 8:52 a.m.
High, 4 a.m. to 4 p.m.
$3.86 at 8:52 a.m.
Low, 4 a.m. to 4 p.m.
$2.10
Close, 4 p.m.
$2.45
Change at 4 p.m.
−16.7%
After-hours high, 4 p.m. to 8 p.m.
$2.70 at 5:39 p.m.
Volume, 4 a.m. to 4 p.m.
1.52 million
Volume after hours, 4 p.m. to 8 p.m.
19,024
Relative volume by 8 p.m.
12.4×
Float
1.65 million shares, from filings as of September 8, 2026
Shares outstanding
1.84 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, 8:50 a.m.).
  • Volume, from the one-minute bars: 1.13 million shares before the 9:30 a.m. open (74%), 163,959 in the first 30 minutes (11%), and 238,534 in the rest of the day to 8 p.m. (16%).
  • Other days HCWB met the small-cap rule in our recaps: 2, the latest on September 24, 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 (none)

The exchange's halt feed shows no halts for HCWB 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

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