Why Alpha Teknova (TKNO) Stock Fell 20.84% in 10 Minutes on Oct 20, 2026
The 20.84% drop was larger than any reaction MoveSurge measured after Alpha Teknova headlines between Jul 22, 2026 and Oct 19, 2026; the largest of those was +6.95% in 15 minutes, on Aug 5, 2026.
- TKNO fell 20.84% in the 10 minutes after the 16:02:00 ET headline, from $7.39 to $5.85.
- 67,406 shares changed hands in those 10 minutes.
- The headline crossed in after-hours trading, 2 minutes after the 4:00 ET close.
16:02:00 ET
Reaction by asset (real prices)
| Asset | 2m before | At release | +1m | +10m | +1m % | +10m % |
|---|---|---|---|---|---|---|
| TKNO | 7.39 | 7.39 | 6.50 | 5.85 | -12.04% | -20.84% |
Alpha Teknova (TKNO) shares fell 20.84% in the 10 minutes after this headline reached the MoveSurge news feed at 16:02:00 ET on Tuesday, October 20, 2026: “Alpha Teknova launches an underwritten public offering of common stock”
TKNO in the first 10 minutes
From a reference price of $7.39 just before the headline, the stock was down 12.04% after one minute and down 20.84%, at $5.85, after 10 minutes. The move kept building after the first minute. 67,406 shares changed hands in those 10 minutes. The headline crossed in after-hours trading, 2 minutes after the 4:00 ET close.
Earlier TKNO headlines and the measured reaction
The 20.84% drop was larger than any reaction MoveSurge measured after Alpha Teknova headlines between Jul 22, 2026 and Oct 19, 2026; the largest of those was +6.95% in 15 minutes, on Aug 5, 2026.
- Aug 5, 2026, 16:01 ET: “Alpha Teknova (TKNO) earnings results” (+6.95% in 15 minutes)
Alpha Teknova at a glance
| Sector | Health Care |
| Industry | Biotechnology: In Vitro & In Vivo Diagnostic Substances |
| Market value | $365 million (as of Oct 20, 2026) |
| Next earnings report on the calendar | Thursday, November 5, 2026 |
Prices are closes of 1-minute bars. Each move on this page is measured from the last completed bar before its headline.
What headline moved Alpha Teknova stock on October 20, 2026?
At 16:02:00 ET, this headline crossed: “Alpha Teknova launches an underwritten public offering of common stock”. The stock fell 20.84% in the next 10 minutes.
How far did TKNO move after the headline?
From $7.39 just before the headline to $5.85 10 minutes later, a -20.84% move.
When does Alpha Teknova report earnings next?
The next report on the MoveSurge earnings calendar is Thursday, November 5, 2026.
Sources
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TKNO headline and measured reaction, Oct 20, 2026
— MoveSurge
The headline as it crossed, its timestamp, and the measured price reaction reported on this page.
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