Hindsight Markets Recaps Small-cap stocks on September 23, 2026
GCTK, September 23: a quiet day, then $5.46 after hours
GCTK barely moved in the regular session after a 425, then ran to $5.46 after the close.
News via Stock News API
What happened
Draft for review. Not published.
News, then a fade
The 9:00 a.m. company update and two filings did not lift it. It opened at $2.23, 10% below the $2.47 prior close. By 10:07 it had slid to $2.00.
Stop It's 12:32. The price is $2.00. The stock opened at $2.23 and has drifted down most of the day. The low so far is $2.00, set at 10:07. Since then it has chopped between $2.00 and $2.16. It bounced to $2.16 at 12:22, then fell back to $2.00 at 12:31 on 3,280 shares, more than any of the minutes just before it. Volume all day has been thin. Would you buy here?
Press play: the real Level 2, tape and chart run from 12:29 p.m. and stop at 12:32 p.m. ET for your call.
It closed at $2.02. Only 68K shares traded in the regular session.
The after-hours run
The real move came after the close. Volume exploded at 4:22 p.m. At 4:45 it hit $5.46, up 169% from $2.03 at 4:00.
It could not hold. It fell to $3.77 at 5:02 and sat near $3.65 by 8 p.m. Almost all of the day's 16.9M shares traded after hours.
What to take from it: On GCTK the move came after the close, and the high did not hold.
Replay GCTK's day
It starts at 12:30 p.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 12:33 p.m. and asks what you would do. Or press Play on any moment in How it traded.
The details
How it traded, step by step
After-hours run. It opened down 9.7% at $2.23 and traded at $2.02 at the 4:00 p.m. close, then ran 170.3% from $2.02 to $5.46 at 4:45 p.m. after the close, on 16.80 million shares traded after hours.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 4:06 a.m. | Pre-market high, $2.46 | |
| 4:06 a.m. | High of the day to the close, $2.46 | |
| 9:00 a.m. | News (Business Wire): Lōkahi Therapeutics™ and Glucotrack CEO Erik Emerson Provides Strategic Update on LT-100, ai² Platform Growth and Clinical Development Priorities | |
| 9:21 a.m. | SEC filing 8-K: 8-K | |
| 9:22 a.m. | SEC filing 425: 425 | |
| 9:30 a.m. | The open: $2.23, down 9.7% from the previous close | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.02, 17.9% below the high | |
| 4:23 p.m. | First trade 20% above the previous close of $2.47 | |
| 4:25 p.m. | Volume since 4:00 a.m. passes the whole float, 757,086 shares |
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
- $2.47
- Open, 9:30 a.m.
- $2.23
- Gap at the open
- −9.7%
- Pre-market high
- $2.46 at 4:06 a.m.
- High, 4 a.m. to 4 p.m.
- $2.46 at 4:06 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.00
- Close, 4 p.m.
- $2.02
- Change at 4 p.m.
- −18.2%
- After-hours high, 4 p.m. to 8 p.m.
- $5.46 at 4:45 p.m.
- Volume, 4 a.m. to 4 p.m.
- 72,895
- Volume after hours, 4 p.m. to 8 p.m.
- 16.80 million
- Relative volume by 8 p.m.
- 262.7×
- Float
- 757,086 shares, from filings as of September 23, 2026
- Shares outstanding
- 798,390
- From news to the move: the first trade 20% above the previous close came 7 hours after the latest SEC filing before it (425, 9:22 a.m.).
- Volume, from the one-minute bars: 4,998 shares before the 9:30 a.m. open (0%), 19,214 in the first 30 minutes (0%), and 16.85 million in the rest of the day to 8 p.m. (100%).
- Float rotation, the volume since 4 a.m. against the float of 757,086 shares: past it once at 4:25 p.m., twice at 4:28 p.m., three times at 4:31 p.m.
- Other days GCTK met the small-cap rule in our recaps: 3, the latest on October 28, 2026.
- The next session, September 24, 2026, it was up 26.8% from its previous close at the 4:00 p.m. close.
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 (none)
The exchange's halt feed shows no halts for GCTK 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 GCTK on September 23, 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.