Hindsight Markets Small-cap stocks on September 2, 2026
UPC on September 2, 2026: why it ran
On September 2, 2026, UPC opened up 19.4% from the previous close of 4.27 and reached 5.96 at 6:46 a.m. ET. The exchange halted it once.
- Previous close
- 4.27
- Open, 9:30 a.m.
- 5.10
- Gap at the open
- up 19.4%
- Pre-market high
- 5.96 at 6:46 a.m.
- High, 4 a.m. to 4 p.m.
- 5.96 at 6:46 a.m.
- Low, 4 a.m. to 4 p.m.
- 3.98
- After-hours high, 4 p.m. to 8 p.m.
- 4.85 at 6:00 p.m.
- Last trade before 4:00 p.m.
- 4.69
- Volume
- 2.24 million
- Relative volume
- 32.9x
- Float
- 4.95 million shares, from filings as of September 2, 2026
- Shares outstanding
- 5.02 million
Why it ran
News and SEC filings for UPC published between the previous session's close and the first minute UPC traded 20% above it, at 4:00 a.m. ET, newest first, from the same feeds the replay shows.
No news found before the move.
How it traded
Gap and fade. It gapped up 19.4% to 5.10 at the open and traded below the open by 4:00 p.m., at 4.69.
| Time (ET) | What happened |
|---|---|
| 4:00 a.m. | First trade 20% above the previous close of 4.27 |
| 6:46 a.m. | Pre-market high, 5.96 |
| 6:46 a.m. | High of the day to the close, 5.96 |
| 9:30 a.m. | The open: 5.10, up 19.4% from the previous close |
| 9:34 a.m. | Halted: LULD pause (limit up-limit down). Trading resumes at 9:39 a.m. |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 4.69, 21.3% below the high |
The shape is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.
The day in numbers
- Volume, from the one-minute bars: 1.57 million shares before the 9:30 a.m. open (70%), 280,617 in the first 30 minutes (13%), and 386,215 in the rest of the day to 8 p.m. (17%).
- The halt at 9:34 a.m.: down 8.3% in the 5 minutes into it, reopened at 4.62, up 0.2% from the last trade before it, then down 4.8% over the next 5 minutes.
- Other days UPC met the small-cap rule in our recaps: 2, the latest on September 1, 2026.
Halts
| Halted | Resumed | Length | Reason in the feed |
|---|---|---|---|
| 9:34 a.m. | 9:39 a.m. | 5 min 0 s | LULD pause (limit up-limit down) |
On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.
Trade this day
Replay UPC on September 2, 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.