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U.K. (FTSE) Tech Stocks - Biggest Losers Today

UPDATED Dec 20, 2025

Explore the U.K. (FTSE) Biggest Losers Today. These Tech Stocks have seen the largest drop in Market Cap from the previous trading day.

41 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
RPI
Raspberry Pi Holdings		UK£3.04-1.9%-48.2%UK£589.1mUK£4.91PE82.9xE40.9%n/a
FTC
Filtronic		UK£1.47-2.0%89.7%UK£323.3mUK£1.98PE23xE-13.7%n/a
GHH
Gooch & Housego		UK£6.00-3.2%19.9%UK£163.2mUK£7.42PE46.2xE38.4%2.2%
SRT
SRT Marine Systems		UK£0.77-1.9%81.2%UK£166.0mUK£1.22PE81.9xE57.8%n/a
CNC
Concurrent Technologies		UK£2.22-0.4%67.2%UK£192.6mUK£2.37PE40.1xE17.9%0.5%
TST
Touchstar		UK£0.600%-36.8%UK£4.8mn/aPE132xE24.7%5.8%
AFRN
Aferian		UK£0.0180%-53.3%UK£1.9mn/aPB0.4xn/an/a
ENET
Ethernity Networks		UK£0.000050%-96.0%UK£287.4kn/aPB0.2xn/an/a
NAR
Northamber		UK£0.340%23.6%UK£9.2mn/aPB0.4xn/a1.8%
SOLI
Solid State		UK£1.600%25.5%UK£90.7mUK£2.32PE37.4xE37.7%1.6%
MWE
M.T.I Wireless Edge		UK£0.450%3.5%UK£38.4mn/aPE10.4xS6.8%5.5%
UNX
Unigel Group		UK£0.880%-12.5%UK£12.7mn/an/an/a5.1%
IGE
Image Scan Holdings		UK£0.0210%-20.8%UK£2.9mn/aPS1.8xn/an/a
WSG
Westminster Group		UK£0.0130%-23.5%UK£5.9mn/aPB1.8xn/an/a
CSSG
Croma Security Solutions Group		UK£0.760%-12.1%UK£10.5mn/aPE13.3xn/a3.2%
SNT
Sabien Technology Group		UK£0.0750%-41.2%UK£2.0mn/aPS2.4xn/a0%
PIP
PipeHawk		UK£0.0150%-41.5%UK£562.8kn/aPE-2.2xn/an/a
NWT
Newmark Security		UK£1.070%52.1%UK£10.0mn/aPE15.1xn/a0%
QUBE
Quantum Base Holdings		UK£0.230%n/aUK£19.1mn/aPS1059.9xE93.2%n/a
MET
Metir		UK£0.00773.3%0%UK£2.4mn/aPS2.3xn/an/a
LST
Light Science Technologies Holdings		UK£0.0491.0%81.5%UK£16.3mn/aPE169xn/an/a
THRU
Thruvision Group		UK£0.00955.6%-88.1%UK£4.2mn/aPB0.7xS32.3%n/a
CLX
Calnex Solutions		UK£0.450.7%-29.8%UK£39.9mUK£1.09PE64xE54.0%2.1%
CPX
CAP-XX		UK£0.00242.1%85.6%UK£14.2mn/aPS5.8xn/an/a
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