Page 2 - U.K. (FTSE) Tech Stocks - Biggest Losers Today

UPDATED May 18, 2026

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

39 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
NWT
Newmark Security
UK£0.970%34.5%UK£9.2mn/aPE9xn/a0%
CPX
CAP-XX
UK£0.00240%51.6%UK£13.6mn/aPS4.9xn/an/a
SPSY
Spectra Systems
UK£1.540%-30.6%UK£74.5mUK£2.33PE5xn/a6.6%
PIP
PipeHawk
UK£0.0280%77.4%UK£998.6kn/aPE-1.2xn/an/a
MWE
M.T.I Wireless Edge
UK£0.630.8%31.3%UK£54.3mn/aPE14.4xS5.4%4.0%
ONDO
Ondo InsurTech
UK£0.04110.8%-84.7%UK£6.1mn/aPS1.4xn/an/a
CLX
Calnex Solutions
UK£0.781.3%56.0%UK£68.6mUK£1.09PE110.2xE44.0%1.2%
XAR
Xaar
UK£1.491.0%45.2%UK£116.9mUK£1.45PS1.9xE128.7%0%
MIDW
Midwich Group
UK£1.451.0%-31.0%UK£150.5mUK£3.29PB0.9xS2.6%3.6%
LST
Light Science Technologies Holdings
UK£0.0267.9%-30.9%UK£25.7mn/aPS3xS29.6%n/a
SDI
SDI Group
UK£0.822.9%8.8%UK£85.5mUK£1.36PE18.7xE24.1%n/a
GHH
Gooch & Housego
UK£9.682.1%91.3%UK£264.9mUK£8.97PE74.9xE36.2%1.4%
HLMA
Halma
UK£44.880.04%51.8%UK£16.9bUK£40.86PE48.8xE12.8%0.5%
FTC
Filtronic
UK£4.111.5%236.9%UK£904.0mUK£2.93PE90.7xE8.6%n/a
0W1I
Vectron Systems
€12.85n/an/a€113.9mn/aPE19.1xn/a0%
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