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Top losers

S&P500 members ranked by share price decline. Compare 1 day, 1M, 6M, 1Y, 3Y and 5Y.

Data: Oct 22, 2026

1-day decline

RankStockLosersMarket cap
MRNA Moderna, Inc.Healthcare−17.6%$80.9B
COHR Coherent, Inc.Technology−12.5%$40.9B
LRCX Lam Research CorporationTechnology−11.8%$288B
LITE Lumentum Holdings Inc.Technology−11.5%$68.2B
FLEX Flex Ltd.Technology−11.1%$28.3B
CIEN Ciena CorporationTechnology−10.7%$45.8B
GEV GE Vernova Inc.Industrials−10.6%$220B
TER Teradyne, Inc.Technology−10.6%$48.3B
VST Vistra Corp.Utilities−9.8%$47.3B
KLAC KLA CorporationTechnology−9.5%$193B
Q Qnity Electronics, Inc.Technology−9.5%$22.8B
MPWR Monolithic Power Systems, Inc.Technology−9.0%$57.4B
KEYS Keysight Technologies, Inc.Technology−8.7%$53B
BE Bloom Energy CorporationIndustrials−8.7%$64.1B
FIX Comfort Systems USA, Inc.Industrials−8.7%$45B
MRVL Marvell Technology, Inc.Technology−8.7%$196B
SNDK Sandisk CorporationTechnology−8.5%$182B
AMAT Applied Materials, Inc.Technology−8.2%$298B
AMD Advanced Micro Devices, Inc.Technology−8.1%$829B
PWR Quanta Services, Inc.Industrials−8.1%$83.1B
GLW Corning IncTechnology−8.1%$107B
INTC Intel Corp.Technology−8.0%$452B
STX Seagate Technology Holdings plcTechnology−7.9%$146B
VRT Vertiv Holdings CoIndustrials−7.8%$75.3B
APH Amphenol CorporationTechnology−7.7%$180B
GNRC Generac Holdings Inc.Industrials−7.4%$11.1B
P Everpure, Inc.Technology−7.4%$40.4B
ECHO EchoStar CorporationCommunication Services−7.4%$13.6B
ANET Arista Networks, Inc.Technology−7.2%$216B
HWM Howmet Aerospace Inc.Industrials−7.1%$77.1B
META Meta Platforms, Inc.Communication Services−7.0%$1.65T
PH Parker-Hannifin CorporationIndustrials−6.8%$113B
DELL Dell Technologies Inc.Technology−6.8%$288B
WDC Western Digital CorporationTechnology−6.4%$133B
SNPS Synopsys, Inc.Technology−6.4%$81B
ETN Eaton Corporation plcIndustrials−6.3%$143B
MU Micron Technology, Inc.Technology−6.3%$969B
FCX Freeport-McMoRan Inc.Basic Materials−6.3%$92.9B
IR Ingersoll Rand Inc.Industrials−6.2%$28.8B
CEG Constellation Energy CorporationUtilities−5.7%$90.4B
DDOG Datadog, Inc.Technology−5.6%$92.6B
EME EMCOR Group, Inc.Industrials−5.5%$29.1B
NRG NRG Energy, Inc.Utilities−5.4%$19.8B
JCI Johnson Controls International plcBasic Materials−5.3%$86.6B
HOOD Robinhood Markets, Inc.Financial Services−5.2%$76.4B
SMCI Super Micro Computer, Inc.Technology−5.2%$22.2B
CDNS Cadence Design Systems, Inc.Technology−5.0%$85.3B
ADI Analog Devices, Inc.Technology−5.0%$187B
TWLO Twilio Inc.Technology−4.9%$39B
CAT Caterpillar Inc.Industrials−4.9%$324B
VYLR Vylor Inc.Basic Materials−4.9%$47.5B
JBL Jabil Inc.Technology−4.8%$28B
ON ON Semiconductor CorporationTechnology−4.8%$28.5B
TT Trane Technologies plcIndustrials−4.8%$98.7B
ILMN Illumina, Inc.Healthcare−4.8%$40.7B
HPE Hewlett Packard Enterprise CompanyTechnology−4.7%$73.6B
AME AMETEK, Inc.Industrials−4.6%$54.8B
AMZN Amazon.com, Inc.Consumer Cyclical−4.6%$2.70T
COIN Coinbase Global, Inc.Financial Services−4.5%$44.6B
NVDA NVIDIA CorporationTechnology−4.4%$5.11T
AVGO Broadcom Inc.Technology−4.3%$1.54T
WAB Westinghouse Air Brake Technologies CorporationIndustrials−4.3%$46.7B
EQIX Equinix, Inc.Real Estate−4.3%$94B
BKR Baker Hughes CompanyEnergy−4.2%$53.2B
CMI Cummins Inc.Industrials−4.2%$71.5B
NDSN Nordson CorporationIndustrials−3.9%$17.8B
IEX IDEX CorporationIndustrials−3.6%$16.7B
IBKR Interactive Brokers Group, Inc.Financial Services−3.6%$145B
IRM Iron Mountain IncorporatedReal Estate−3.5%$32.9B
MCHP Microchip Technology IncorporatedTechnology−3.4%$40.5B
SNA Snap-on IncorporatedIndustrials−3.4%$18.4B
ROK Rockwell Automation, Inc.Industrials−3.3%$47.2B
STLD Steel Dynamics, Inc.Basic Materials−3.3%$34.4B
HUBB Hubbell IncorporatedIndustrials−3.2%$23.6B
GOOGL Alphabet Inc.Communication Services−3.1%$3.94T
TPL Texas Pacific Land CorporationEnergy−3.1%$23B
GOOG Alphabet Inc.Communication Services−3.1%$3.92T
TSLA Tesla, Inc.Consumer Cyclical−3.1%$1.48T
DLR Digital Realty Trust, Inc.Real Estate−3.0%$63.4B
SLB Slb N.V.Energy−3.0%$73.5B
WMB The Williams Companies, Inc.Energy−3.0%$86.4B
QCOM QUALCOMM IncorporatedTechnology−2.9%$185B
ORCL Oracle CorporationTechnology−2.8%$380B
PLTR Palantir Technologies Inc.Technology−2.7%$451B
TEL TE Connectivity plcTechnology−2.6%$60.3B
NEM Newmont CorporationBasic Materials−2.6%$120B
LVS Las Vegas Sands Corp.Consumer Cyclical−2.6%$23.7B
CBRE CBRE Group, Inc.Real Estate−2.5%$38B
TMO Thermo Fisher Scientific Inc.Healthcare−2.5%$250B
BA The Boeing CompanyIndustrials−2.5%$148B
NUE Nucor CorporationBasic Materials−2.4%$58.5B
DXCM DexCom, Inc.Healthcare−2.4%$29.6B
VLO Valero Energy CorporationEnergy−2.4%$123B
HAL Halliburton CompanyEnergy−2.4%$27.7B
MOS The Mosaic CompanyBasic Materials−2.3%$5.5B
MSFT Microsoft CorporationTechnology−2.2%$3.87T
CSCO Cisco Systems, Inc.Technology−2.2%$414B
DOV Dover CorporationIndustrials−2.2%$26.3B
A Agilent Technologies, Inc.Healthcare−2.2%$49B
NTAP NetApp, Inc.Technology−2.2%$41.7B

Calculated mechanically from public data; not a recommendation to buy or sell any stock.