Hindsight Markets Recaps Small-cap stocks on September 10, 2026
XRTX, September 10: news and an after-hours run to $2.74
XRTX barely moved in the regular session after news, then ran to $2.74 after the close.
News via Stock News API
What happened
Before the open
The news came first: news at 4:05 p.m. Before the bell it reached $2.24, on 11 shares.
The open
It opened near its previous close, at $2.30.
The close
It closed at $2.11, 11% under its high. After the close it ran to $2.74 by 4:07 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 up 6.6% at $2.30 and traded at $2.11 at the 4:00 p.m. close, then ran 29.9% from $2.11 to $2.74 at 4:07 p.m. after the close, on 790,119 shares traded after hours.
| Time (ET) | What happened |
|---|---|
| 8:59 a.m. | Pre-market high, $2.24 |
| 9:36 a.m. | The open: $2.30, up 6.6% from the previous close |
| 12:09 p.m. | High of the day to the close, $2.38 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.11, 11.2% below the high |
| 4:05 p.m. | News (GlobeNewsWire): XORTX Announces Initiation of Clinical and Commercial Manufacturing of XORLO™ |
| 4:05 p.m. | First trade 20% above the previous close of $2.16 |
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
- $2.16
- Open, 9:30 a.m.
- $2.30
- Gap at the open
- +6.6%
- Pre-market high
- $2.24 at 8:59 a.m.
- High, 4 a.m. to 4 p.m.
- $2.38 at 12:09 p.m.
- Low, 4 a.m. to 4 p.m.
- $2.11
- Close, 4 p.m.
- $2.11
- Change at 4 p.m.
- −2.2%
- After-hours high, 4 p.m. to 8 p.m.
- $2.74 at 4:07 p.m.
- Volume, 4 a.m. to 4 p.m.
- 26,151
- Volume after hours, 4 p.m. to 8 p.m.
- 790,119
- Relative volume by 8 p.m.
- n/m
- Float
- 1.77 million shares, from filings as of September 10, 2026
- Shares outstanding
- 1.82 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: 11 shares before the 9:30 a.m. open (0%), 111 in the first 30 minutes (0%), and 816,148 in the rest of the day to 8 p.m. (100%).
- Other days XRTX met the small-cap rule in our recaps: 5, the latest on October 9, 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 (none)
The exchange's halt feed shows no halts for XRTX 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 XRTX 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.