U.S. Tech Stocks - Biggest Losers Today

UPDATED Jul 19, 2025

Explore the U.S. (NYSE and NASDAQ) Biggest Losers Today. These Tech Stocks have seen the largest drop in Market Cap from the previous trading day.

197 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
CSCO
Cisco Systems
US$68.05-0.4%43.8%US$269.5bUS$70.84PE27.5xE10.1%2.4%
SMCI
Super Micro Computer
US$51.77-1.9%-35.0%US$30.9bUS$44.88PE26.8xE38.2%n/a
ANET
Arista Networks
US$111.78-0.2%35.3%US$140.4bUS$109.20PE46.4xE13.2%n/a
SANM
Sanmina
US$101.31-3.2%43.6%US$5.4bUS$107.50PE22.4xE16.0%n/a
GLW
Corning
US$54.01-0.4%21.9%US$46.3bUS$55.31PE101.9xE27.9%2.1%
RAL
Ralliant
US$46.64-2.9%n/aUS$5.3bUS$54.80n/an/an/a
TTMI
TTM Technologies
US$45.03-2.6%113.4%US$4.6bUS$43.50PE58.7xE29.6%n/a
BDC
Belden
US$127.87-2.2%39.2%US$5.1bUS$132.83PE23.7xE9.6%0.2%
NOVT
Novanta
US$122.96-2.5%-28.7%US$4.4bUS$152.50PE62.6xE21.4%n/a
PLXS
Plexus
US$134.79-2.9%16.9%US$3.7bUS$153.40PE25.6xE14.2%n/a
COHR
Coherent
US$99.60-0.7%38.3%US$15.5bUS$101.97PS2.8xE68.5%n/a
KEYS
Keysight Technologies
US$162.45-0.4%18.2%US$28.0bUS$185.21PE37.7xE13.5%n/a
MSI
Motorola Solutions
US$420.46-0.1%7.8%US$70.2bUS$493.31PE34.3xE8.6%1.0%
RCAT
Red Cat Holdings
US$11.27-7.7%512.5%US$1.1bUS$13.33PS484.2xE123.3%n/a
NSIT
Insight Enterprises
US$139.39-1.3%-34.7%US$4.4bUS$171.42PE23xE20.9%n/a
CDW
CDW
US$179.59-0.2%-21.5%US$23.6bUS$212.47PE21.8xE7.4%1.4%
FLEX
Flex
US$53.06-0.2%82.7%US$19.8bUS$53.54PE23.7xE13.4%n/a
AAOI
Applied Optoelectronics
US$28.63-2.7%195.9%US$1.6bUS$31.20PS5.2xE162.5%n/a
BMI
Badger Meter
US$244.37-0.6%28.2%US$7.2bUS$240.05PE53.6xE10.3%0.6%
OSIS
OSI Systems
US$211.38-1.1%45.5%US$3.5bUS$243.33PE25.1xE11.3%n/a
QUBT
Quantum Computing
US$19.51-1.3%2,816.3%US$3.0bUS$18.50PS7851.6xE-1.5%n/a
LITE
Lumentum Holdings
US$102.22-0.4%86.6%US$7.1bUS$98.06PS4.8xE105.1%n/a
ONDS
Ondas Holdings
US$2.23-7.1%164.6%US$389.7mUS$2.50PS36xE42.9%n/a
UMAC
Unusual Machines
US$10.87-8.3%547.0%US$329.2mUS$18.00PS47.1xS62.9%n/a
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