Tech Signal Board · Biggest moves

The biggest moves in global tech, last session

The names our scanner flagged for outsized single-session moves at the last close — gains and losses together, largest first.

Every name our scanner flagged for an outsized single-session move — up and down together, largest first. A big move is a fact, not a verdict: some are breakouts, some are breakdowns, and the signal text says which side the engine reads it on.

Scan of 2026-09-17 · 47 signals in this view · the live board carries the ranked daily cards and the daily archive keeps every previous day.

#NameSignalThe engine's readMoveRegion
1 TEM Tempus AI big move up Above both trend lines; one of the day's strongest moves. +14.8% US
2 SHLS Shoals Technologies big move up one of the day's strongest moves. +12.2% US
3 ALAB Astera Labs big move up one of the day's strongest moves. +9.1% US
4 TSEM Tower Semiconductor big move up one of the day's strongest moves. +8.4% US
5 INTC Intel big move up Above both trend lines; one of the day's strongest moves. +7.7% US
6 HPE Hewlett Packard Enterprise big move up Above both trend lines; one of the day's strongest moves. +7.7% US
7 COHU Cohu big move up Above both trend lines; one of the day's strongest moves. +7.7% US
8 AEHR Aehr Test Systems big move up one of the day's strongest moves. +7.5% US
9 DOCN DigitalOcean big move up Above both trend lines; one of the day's strongest moves. +7.4% US
10 OVH OVHcloud big move up Above both trend lines; one of the day's strongest moves. +7.1% US
11 OVH.PA OVHcloud big move up Above both trend lines; one of the day's strongest moves. +7.1% France
12 DRO.AX DroneShield big move up one of the day's strongest moves. +6.8% US
13 GFS GlobalFoundries big move up one of the day's strongest moves. +6.5% US
14 P Everpure big move up Above both trend lines; one of the day's strongest moves. +6.5% US
15 RKLB Rocket Lab big move up one of the day's strongest moves. +6.5% US
16 AMD AMD big move up Above both trend lines; one of the day's strongest moves. +6.4% US
17 FORM FormFactor big move up Above both trend lines; one of the day's strongest moves. +6.4% US
18 SNDK SanDisk big move up Above both trend lines; one of the day's strongest moves. +6.2% US
19 WDAY Workday big move up Above both trend lines; one of the day's strongest moves. +6.1% US
20 ASTS AST SpaceMobile big move up one of the day's strongest moves. +5.8% US
21 ATS.VI AT&S big move up Above both trend lines; one of the day's strongest moves. +5.7% Austria
22 ASX ASE Group big move up Above both trend lines; one of the day's strongest moves. +5.4% US
23 FSLR First Solar big move up one of the day's strongest moves. +5.3% US
24 GUC Global Unichip big move up Above both trend lines; one of the day's strongest moves. +5.3% US
25 ALB Albemarle big move up one of the day's strongest moves. +5.1% US
26 3778.T Sakura Internet big move up Above both trend lines; one of the day's strongest moves. +5.0% Japan
27 MRVL Marvell Technology big move up Above both trend lines; one of the day's strongest moves. +4.8% US
28 STRL Sterling Infrastructure big move up one of the day's strongest moves. +4.8% US
29 DSV.CO DSV big move up one of the day's strongest moves. +4.8% Denmark
30 ESTC Elastic big move up Above both trend lines; one of the day's strongest moves. +4.6% US
31 DELL Dell Technologies big move up Above both trend lines; one of the day's strongest moves. +4.5% US
32 NOK Nokia big move up Above both trend lines; one of the day's strongest moves. +4.5% US
33 MDB MongoDB big move up Above both trend lines; one of the day's strongest moves. +4.5% US
34 MTSI MACOM Technology big move up one of the day's strongest moves. +4.5% US
35 FSLY Fastly big move up Above both trend lines; one of the day's strongest moves. +4.4% US
36 MDA.TO MDA Ltd big move up one of the day's strongest moves. +4.4% US
37 CRWV CoreWeave big move down Already below its 50-day; one of the day's sharpest drops. -4.4% US
38 CRDO Credo Technology big move up one of the day's strongest moves. +4.2% US
39 PDFS PDF Solutions big move up one of the day's strongest moves. +4.2% US
40 AFX.DE Carl Zeiss Meditec big move down Already below its 50-day; one of the day's sharpest drops. -4.2% Germany
41 NBIS Nebius big move up Above both trend lines; one of the day's strongest moves. +4.1% US
42 CAMT Camtek big move up one of the day's strongest moves. +4.1% US
43 NOD.OL Nordic Semi big move up Above both trend lines; one of the day's strongest moves. +4.1% Norway
44 BE Bloom Energy big move up Above both trend lines; one of the day's strongest moves. +4.0% US
45 MNDY monday.com big move down one of the day's sharpest drops. -4.0% US
46 4004.T Resonac big move down Already below its 50-day; one of the day's sharpest drops. -4.0% Japan
47 012450.KS Hanwha Aerospace big move up one of the day's strongest moves. +4.0% Korea

Move = last-session change at the scan. Each row's read is the engine's own one-liner, frozen at the 2026-09-17 close.

Go deeper

  • Click any name for its full page — chart, performance, signals and the Closelook read in one place.
  • The Directional Flow ranking grades trend quality across the whole coverage — signals here often show up there a few days later.
  • The Flow × Technicals ranking crosses trend scores with the same moving-average conditions this board flags.
  • The daily archive keeps every board day — how the signal mix looked on any past date.

FAQ

What is the Tech Signal Board?

Our nightly scanner reads every covered name after each close and flags what changed — big moves, trend-condition changes, stretched oscillators, drawdown classifications and analyst moves. The board is the ranked daily surface; these views group the same signals by the question they answer.

What counts as a signal on this page?

This view collects the scanner's big move up, big move down signals. Each row states the engine's one-line read — what was flagged and why.

How often does this update?

The scanner runs after every US close; this page is rebuilt every market morning from that scan and always shows the date it was built from. The daily archive keeps every previous board day.

Is this investment advice?

No. Closelook publishes an investment research diary, not investment advice. Signals describe what our engine measures in past prices. Past performance may not be an indication of future performance.

Closelook publishes an investment research diary, not investment advice. Past performance may not be an indication of future performance.