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Hindsight Markets Recaps Small-cap stocks on October 22, 2026

AARD, October 22: an 8-K, one halt, and an after-hours run to $5.69

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AARD barely moved in the regular session after an 8-K, then ran to $5.69 after the close.

News via Stock News API

8-KNews$5.69$4.41$3.904 a.m.9:30noon4 p.m.8 p.m.
AARD on October 22, 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: an 8-K at 4:17 p.m. Before the bell it reached $4.41, on 2 shares.

The open

It opened near its previous close, at $4.27.

The halts

Trading stopped once, at 4:01 p.m. The biggest jump was the reopen after 4:01 p.m.: 29% above the last trade before it.

The close

It closed at $3.97, 11% under its high. After the close it ran to $5.69 by 4:35 p.m.

What to take from it: The day's real move came after the 4 p.m. close, not in the regular session.

The details

How it traded, step by step

After-hours run. It opened down 3.2% at $4.27 and traded at $3.97 at the 4:00 p.m. close, then ran 43.3% from $3.97 to $5.69 at 4:35 p.m. after the close, on 877,319 shares traded after hours.

Time (ET)What happened
7:48 a.m.Pre-market high, $4.41
9:30 a.m.The open: $4.27, down 3.2% from the previous close
9:30 a.m.High of the day to the close, $4.44
3:59 p.m.Last trade before the 4:00 p.m. close, $3.97, 10.6% below the high
4:05 p.m.News (GlobeNewsWire): Aardvark Therapeutics Announces FDA Has Lifted the Clinical Hold on ARD-101 for the Treatment of Prader-Willi Syndrome and Will Host Webcast to Review the Available Exploratory Phase 3 HERO/OLE Data
4:17 p.m.SEC filing 8-K: 8-K
4:35 p.m.First trade 20% above the previous close of $4.41

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
$4.41
Open, 9:30 a.m.
$4.27
Gap at the open
−3.2%
Pre-market high
$4.41 at 7:48 a.m.
High, 4 a.m. to 4 p.m.
$4.44 at 9:30 a.m.
Low, 4 a.m. to 4 p.m.
$3.90
Close, 4 p.m.
$3.97
Change at 4 p.m.
−10.0%
After-hours high, 4 p.m. to 8 p.m.
$5.69 at 4:35 p.m.
Volume, 4 a.m. to 4 p.m.
34,969
Volume after hours, 4 p.m. to 8 p.m.
877,319
Relative volume by 8 p.m.
12.6×
Float
18.46 million shares, from filings as of October 22, 2026
Shares outstanding
21.88 million
  • From news to the move: the first trade 20% above the previous close came 17 minutes after the latest SEC filing before it (8-K, 4:17 p.m.).
  • Volume, from the one-minute bars: 2 shares before the 9:30 a.m. open (0%), 3,466 in the first 30 minutes (0%), and 908,820 in the rest of the day to 8 p.m. (100%).
  • Other days AARD met the small-cap rule in our recaps: 1, the latest on October 23, 2026.

On the day's lists: the intraday runners, after-hours movers. 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 (1)
HaltedResumedLengthThe 5 minutes into itReopened at, against the last tradeThe 5 minutes afterReason in the feed
4:01 p.m.4:35 p.m.34 min 0 sup 2.0%$5.16, up 29.3%down 14.5%News pending

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.

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