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U.S. Tech Stocks - Biggest Losers Today

UPDATED May 20, 2026

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.

195 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
LITE
US$868.07-2.5%1,042.9%US$63.8bUS$1,104.68141.879.1%n/a
UI
US$586.31-2.2%49.5%US$36.3bUS$826.0037.715.6%0.5%
VSAT
US$70.76-6.0%602.0%US$10.2bUS$65.502.120.7%n/a
AAOI
US$165.26-3.5%868.1%US$13.7bUS$151.3026.2148.1%n/a
KEYS
US$342.08-0.6%110.5%US$59.0bUS$371.4659.813.0%n/a
TDY
US$607.12-1.2%24.4%US$28.5bUS$728.7730.17.4%n/a
FLEX
US$131.07-0.3%216.3%US$48.2bUS$159.0054.640.9%n/a
MIR
US$17.61-2.4%-1.1%US$4.5bUS$27.90171.664.4%n/a
ARW
US$212.84-0.8%78.6%US$11.0bUS$214.5015.013.8%n/a
OSIS
US$207.86-1.7%-9.1%US$3.5bUS$300.2922.514.9%n/a
ZBRA
US$242.26-0.5%-16.0%US$11.6bUS$328.8827.618.4%n/a
PLXS
US$256.38-0.8%96.5%US$6.9bUS$274.5036.613.2%n/a
BHE
US$82.44-1.2%127.3%US$3.0bUS$78.0086.446.1%0.8%
BDC
US$104.79-0.7%-3.2%US$4.1bUS$151.0017.219.0%0.2%
TROO
US$3.83-5.4%456.7%US$512.6mn/a28.4n/an/a
PLUS
US$82.13-1.0%25.0%US$2.2bUS$115.0014.50.7%1.2%
NTCT
US$38.73-0.7%66.1%US$2.8bUS$41.7129.08.3%n/a
GILT
US$15.36-1.5%172.3%US$1.2bUS$19.2036.419.3%0%
SHMD
US$6.98-4.1%144.9%US$404.8mn/a5.5n/an/a
IPGP
US$120.52-0.3%84.0%US$5.1bUS$135.79176.938.9%n/a
BGIN
US$3.57-3.5%n/aUS$418.6mn/a6.0n/an/a
GPGI
US$11.96-0.4%-5.8%US$3.5bUS$22.00144447.6118.5%0.08%
LPTH
US$13.65-1.7%485.8%US$801.0mUS$15.9812.5122.6%n/a
RBBN
US$2.61-1.9%-27.7%US$468.5mUS$3.6014.7-82.9%n/a
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