Top US Stock Losers on Oct 22, 2026

Top US Stock Losers · Oct 22 · 30

Thu, Oct 22, 2026 · Close

Screen: share price of at least $5, market cap of roughly $2 billion or more, and a decline of more than 2.5% on the day; the 30 largest moves are shown. Turnover is estimated as volume × last price. Source: Yahoo Finance.

TTM

USTTMI

73.89 -27.67%

Change: -28.26
Turnover (est.): $1.27B
Market cap: $7.78B
52-wk high: 223.83
52-wk low: 55.44

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Forgent Power

USFPS

24.98 -21.35%

Change: -6.78
Turnover (est.): $1.07B
Market cap: $7.97B
52-wk high: 66.00
52-wk low: 23.16

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Carpenter

USCRS

292.19 -20.64%

Change: -75.97
Turnover (est.): $748.6M
Market cap: $14.48B
52-wk high: 625.99
52-wk low: 262.25

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Moderna

USMRNA

202.63 -17.57%

Change: -43.18
Turnover (est.): $9.99B
Market cap: $80.90B
52-wk high: 254.48
52-wk low: 22.28

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Oceaneering

USOII

36.61 -16.97%

Change: -7.48
Turnover (est.): $112.5M
Market cap: $3.64B
52-wk high: 54.25
52-wk low: 22.13

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Cohu

USCOHU

46.26 -16.33%

Change: -9.03
Turnover (est.): $103.6M
Market cap: $2.19B
52-wk high: 75.72
52-wk low: 21.10

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MACOM

USMTSI

229.73 -15.87%

Change: -43.32
Turnover (est.): $608.0M
Market cap: $17.54B
52-wk high: 418.90
52-wk low: 136.00

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Vicor

USVICR

179.99 -15.66%

Change: -33.43
Turnover (est.): $233.3M
Market cap: $8.30B
52-wk high: 382.65
52-wk low: 80.29

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Solaris Energy Infrastructure

USSEI

58.62 -15.50%

Change: -10.75
Turnover (est.): $233.4M
Market cap: $5.90B
52-wk high: 86.19
52-wk low: 38.50

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MSC Industrial Direct

USMSM

112.25 -15.49%

Change: -20.57
Turnover (est.): $250.2M
Market cap: $6.27B
52-wk high: 133.95
52-wk low: 78.80

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Silicon Motion

USSIMO

187.96 -15.45%

Change: -34.34
Turnover (est.): $297.4M
Market cap: $6.37B
52-wk high: 355.00
52-wk low: 79.76

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Graco

USGGG

69.30 -15.30%

Change: -12.51
Turnover (est.): $352.4M
Market cap: $11.22B
52-wk high: 95.69
52-wk low: 67.73

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FormFactor

USFORM

95.03 -15.29%

Change: -17.15
Turnover (est.): $131.2M
Market cap: $7.41B
52-wk high: 160.27
52-wk low: 40.60

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Nokia

USNOK

7.87 -14.92%

Change: -1.38
Turnover (est.): $1.56B
Market cap: $44.06B
52-wk high: 17.45
52-wk low: 5.84

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FirstCash

USFCFS

184.78 -14.75%

Change: -31.97
Turnover (est.): $318.1M
Market cap: $8.01B
52-wk high: 238.93
52-wk low: 146.77

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Viavi

USVIAV

30.30 -14.38%

Change: -5.09
Turnover (est.): $239.1M
Market cap: $7.45B
52-wk high: 60.43
52-wk low: 13.23

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MaxLinear

USMXL

65.28 -13.87%

Change: -10.51
Turnover (est.): $294.3M
Market cap: $5.92B
52-wk high: 128.30
52-wk low: 12.77

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Entegris

USENTG

128.31 -13.12%

Change: -19.38
Turnover (est.): $605.6M
Market cap: $19.54B
52-wk high: 186.94
52-wk low: 67.97

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AXT

USAXTI

51.56 -13.02%

Change: -7.72
Turnover (est.): $495.9M
Market cap: $3.38B
52-wk high: 143.16
52-wk low: 4.90

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nVent Electric

USNVT

127.50 -12.75%

Change: -18.63
Turnover (est.): $618.7M
Market cap: $20.64B
52-wk high: 184.64
52-wk low: 93.22

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Materion

USMTRN

218.88 -12.52%

Change: -31.34
Turnover (est.): $48.0M
Market cap: $4.56B
52-wk high: 324.99
52-wk low: 109.61

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Coherent

USCOHR

207.82 -12.51%

Change: -29.71
Turnover (est.): $2.44B
Market cap: $40.93B
52-wk high: 440.00
52-wk low: 115.00

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Advanced Energy Industries

USAEIS

216.64 -12.49%

Change: -30.91
Turnover (est.): $209.2M
Market cap: $8.68B
52-wk high: 397.44
52-wk low: 187.71

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Csquare

USCSQR

14.81 -12.37%

Change: -2.09
Turnover (est.): $49.3M
Market cap: $2.47B
52-wk high: 23.50
52-wk low: 14.04

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Applied Optoelectronics

USAAOI

68.07 -11.96%

Change: -9.25
Turnover (est.): $939.2M
Market cap: $5.78B
52-wk high: 233.67
52-wk low: 18.50

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Veeco Instruments

USVECO

41.15 -11.81%

Change: -5.51
Turnover (est.): $55.1M
Market cap: $2.52B
52-wk high: 86.63
52-wk low: 26.00

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Lam Research

USLRCX

230.15 -11.76%

Change: -30.66
Turnover (est.): $5.24B
Market cap: $288.02B
52-wk high: 438.50
52-wk low: 135.50

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Celestica

USCLS

269.00 -11.69%

Change: -35.61
Turnover (est.): $858.8M
Market cap: $33.92B
52-wk high: 474.03
52-wk low: 244.51

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Semtech

USSMTC

125.12 -11.66%

Change: -16.51
Turnover (est.): $487.9M
Market cap: $11.68B
52-wk high: 201.99
52-wk low: 60.28

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CECO Environmental

USCECO

51.51 -11.57%

Change: -6.74
Turnover (est.): $112.0M
Market cap: $3.02B
52-wk high: 101.24
52-wk low: 42.82

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This page organizes public market data. It is not a recommendation list or investment advice. Quotes may be delayed or contain errors; rely on the exchange and your broker for official data.