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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$321.09
+1.3%
$337.65
$238.34
$374.80
$11.82B0.83252,739 shs974,153 shs
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
$316.34
+0.2%
$313.86
$201.34
$335.94
$16.67B0.85339,494 shs538,242 shs
Donaldson Company, Inc. stock logo
DCI
Donaldson
$86.39
+0.4%
$92.21
$79.42
$112.84
$10.02B0.92616,072 shs2.42 million shs
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$35.69
-1.2%
$34.70
$25.81
$43.14
$9.14B0.92.01 million shs5.04 million shs
The Infrastructure's Backbone: 10 Stocks Powering the AI Buildout Cover

The AI boom extends far beyond the biggest tech names. Discover 10 companies supplying the memory, storage, networking, semiconductor manufacturing, and power infrastructure that make AI possible. Learn where the next wave of AI investment opportunities may emerge—and the key risks investors should watch as the global AI buildout accelerates.

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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
0.00%-0.77%-5.45%-5.24%+23.84%
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
0.00%-1.88%-1.94%+9.53%+33.73%
Donaldson Company, Inc. stock logo
DCI
Donaldson
0.00%-3.10%-6.44%+0.93%+7.21%
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
0.00%-2.19%-2.41%+30.45%-1.16%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$321.09
+1.3%
$337.65
$238.34
$374.80
$11.82B0.83252,739 shs974,153 shs
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
$316.34
+0.2%
$313.86
$201.34
$335.94
$16.67B0.85339,494 shs538,242 shs
Donaldson Company, Inc. stock logo
DCI
Donaldson
$86.39
+0.4%
$92.21
$79.42
$112.84
$10.02B0.92616,072 shs2.42 million shs
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$35.69
-1.2%
$34.70
$25.81
$43.14
$9.14B0.92.01 million shs5.04 million shs
The Infrastructure's Backbone: 10 Stocks Powering the AI Buildout Cover

The AI boom extends far beyond the biggest tech names. Discover 10 companies supplying the memory, storage, networking, semiconductor manufacturing, and power infrastructure that make AI possible. Learn where the next wave of AI investment opportunities may emerge—and the key risks investors should watch as the global AI buildout accelerates.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
0.00%-0.77%-5.45%-5.24%+23.84%
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
0.00%-1.88%-1.94%+9.53%+33.73%
Donaldson Company, Inc. stock logo
DCI
Donaldson
0.00%-3.10%-6.44%+0.93%+7.21%
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
0.00%-2.19%-2.41%+30.45%-1.16%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
3.00
Buy$400.0024.58% Upside
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
2.83
Moderate Buy$354.5712.09% Upside
Donaldson Company, Inc. stock logo
DCI
Donaldson
2.60
Moderate Buy$101.0016.91% Upside
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
2.60
Moderate Buy$38.257.17% Upside

Current Analyst Ratings Breakdown

Latest TTEK, AIT, DCI, and CLH Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
9/10/2026
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
Initiated CoverageOutperform
8/28/2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
Set Price Target$95.00
8/27/2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
Boost Price TargetOutperform$105.00 ➝ $110.00
8/20/2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
UpgradeBuy (B-)Buy (B)
8/19/2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
Boost Price TargetOutperform$95.00 ➝ $105.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetOutperform$350.00 ➝ $390.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetOverweight$375.00 ➝ $420.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetBuy$380.00 ➝ $390.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetBuy$380.00 ➝ $400.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetOutperform$355.00 ➝ $400.00
8/14/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
Boost Price TargetOutperform$317.00 ➝ $400.00
(Data available from 9/20/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$4.97B2.37$13.12 per share24.48$50.37 per share6.37
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
$6.03B2.77$16.08 per share19.67$51.39 per share6.16
Donaldson Company, Inc. stock logo
DCI
Donaldson
$3.89B2.58$4.97 per share17.40$15.22 per share5.68
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$5.44B1.68$2.29 per share15.61$6.77 per share5.27
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$414.52M$10.9629.3024.382.588.35%22.17%13.43%10/27/2026 (Estimated)
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
$390.97M$8.2438.3932.812.047.03%15.65%5.75%11/4/2026 (Estimated)
Donaldson Company, Inc. stock logo
DCI
Donaldson
$453.80M$3.8522.4417.701.9911.68%28.68%14.27%12/3/2026 (Estimated)
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$247.72M$1.6621.5020.28N/A8.60%22.32%9.47%11/11/2026 (Estimated)

Latest TTEK, AIT, DCI, and CLH Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
8/26/2026Q4 2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
$1.13$1.15+$0.02$1.10$1.04 billion$1.06 billion
8/13/2026Q4 2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$2.92$3.17+$0.25$3.17$1.29 billion$1.35 billion
7/29/2026Q2 2026
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
$2.81$3.22+$0.41$3.22$1.64 billion$1.74 billion
7/29/2026Q3 2026
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$0.3967$0.42+$0.0233$0.42$1.08 billion$1.31 billion
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
$2.040.64%+8.34%18.61%16 Years
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
N/AN/AN/AN/AN/A
Donaldson Company, Inc. stock logo
DCI
Donaldson
$1.281.48%+7.50%33.25%38 Years
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
$0.290.81%+13.97%17.47%11 Years

Latest TTEK, AIT, DCI, and CLH Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
6/22/2026
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
quarterly$0.510.56%8/14/20268/14/20268/31/2026
7/31/2026
Donaldson Company, Inc. stock logo
DCI
Donaldson
quarterly$0.321.35%8/17/20268/17/20268/31/2026
7/27/2026
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
quarterly$0.07200.79%8/13/20268/13/20268/27/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
0.14
2.58
1.75
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
0.94
2.13
1.80
Donaldson Company, Inc. stock logo
DCI
Donaldson
0.73
2.08
1.41
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
0.43
1.18
1.18

Institutional Ownership

CompanyInstitutional Ownership
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
93.52%
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
90.43%
Donaldson Company, Inc. stock logo
DCI
Donaldson
82.81%
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
93.89%

Insider Ownership

CompanyInsider Ownership
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
1.60%
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
5.00%
Donaldson Company, Inc. stock logo
DCI
Donaldson
2.20%
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
0.49%
CompanyEmployeesShares OutstandingFree FloatOptionable
Applied Industrial Technologies, Inc. stock logo
AIT
Applied Industrial Technologies
6,90036.73 million36.15 millionOptionable
Clean Harbors, Inc. stock logo
CLH
Clean Harbors
22,15552.79 million50.15 millionOptionable
Donaldson Company, Inc. stock logo
DCI
Donaldson
15,000115.91 million113.36 millionOptionable
Tetra Tech, Inc. stock logo
TTEK
Tetra Tech
25,000256.04 million254.79 millionOptionable

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Tetra Tech, Inc. $TTEK Shares Sold by Tidal Investments LLC
Amundi Raises Position in Tetra Tech, Inc. $TTEK
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Media Sentiment Over Time

Top Headlines

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Applied Industrial Technologies stock logo

Applied Industrial Technologies NYSE:AIT

$321.09 +4.11 (+1.30%)
Closing price 09/18/2026 03:59 PM Eastern
Extended Trading
$321.70 +0.61 (+0.19%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Applied Industrial Technologies, Inc. distributes industrial motion, power, control, and automation technology solutions in North America, Australia, New Zealand, and Singapore. It operates in two segments, Service Center Based Distribution, and Engineered Solutions. The company distributes bearings, power transmission products, engineered fluid power components and systems, specialty flow control solutions, advanced automation products, industrial rubber products, linear motion components, automation solutions, tools, safety products, oilfield supplies, and other industrial and maintenance supplies; and motors, belting, drives, couplings, pumps, hydraulic and pneumatic components, filtration supplies, valves, fittings, process instrumentation, actuators, and hoses, filtration supplies, as well as other related supplies for general operational needs of customers' machinery and equipment. It also operates fabricated rubber shops and service field crews that install, modify, and repair conveyor belts and rubber linings, as well as offer hose assemblies. In addition, the company provides technical support services; engages in the distribution of fluid power and industrial flow control products; advanced automation solutions, including machine vision, robotics, motion control, and smart technologies. It distributes industrial products through a network of service centers. The company serves various industries, including agriculture and food processing, cement, chemicals and petrochemicals, fabricated metals, forest products, industrial machinery and equipment, life sciences, mining, oil and gas, primary metals, technology, transportation, and utilities, as well as government entities. The company was formerly known as Bearings, Inc. and changed its to name to Applied Industrial Technologies, Inc. in 1997. The company was founded in 1923 and is headquartered in Cleveland, Ohio.

Clean Harbors stock logo

Clean Harbors NYSE:CLH

$316.33 +0.79 (+0.25%)
Closing price 09/18/2026 03:59 PM Eastern
Extended Trading
$316.00 -0.34 (-0.11%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Clean Harbors, Inc. provides environmental and industrial services in the United States and internationally. The company operates through two segments, Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, and disposes hazardous and non-hazardous waste, such as resource recovery, physical treatment, fuel blending, incineration, landfill disposal, wastewater treatment, lab chemicals disposal, and explosives management services; and offers CleanPack services, including collection, identification, categorization, specialized packaging, transportation, and disposal of laboratory chemicals and household hazardous waste. This segment also provides industrial maintenance and specialty industrial services; and utilizes specialty equipment and resources that performs field services. The Safety-Kleen Sustainability Solutions segment provides pickup and transportation services for hazardous and non-hazardous containerized waste for recycling or disposal; machine cleaning and maintenance, and disposal and replenishment of clean solvent or aqueous fluids; and vacuum services to remove solids, residual oily water, and sludge and other fluids from customers' oil/water separators, sumps, and collection tanks, as well as removes and collects waste fluids found at large and small industrial locations, including metal fabricators, auto maintenance providers, and general manufacturers. This segment also manufactures, formulates, packages, distributes, and markets lubricants and other automotive products. Clean Harbors, Inc. was incorporated in 1980 and is headquartered in Norwell, Massachusetts.

Donaldson stock logo

Donaldson NYSE:DCI

$86.39 +0.34 (+0.40%)
Closing price 09/18/2026 03:59 PM Eastern
Extended Trading
$85.88 -0.52 (-0.60%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Donaldson Company, Inc. manufactures and sells filtration systems and replacement parts worldwide. The company operates through three segments: Mobile Solutions, Industrial Solutions, and Life Sciences. Its Mobile Solutions segment provides replacement filters for air and liquid filtration applications, such as air filtration systems; liquid filtration systems for fuel, lube, and hydraulic applications; exhaust and emissions systems and sensors; indicators; and monitoring systems. This segment sells its products to original equipment manufacturers (OEMs) in the construction, mining, agriculture, aerospace, defense, and transportation markets; and to independent distributors, and OEM dealer networks. The company's Industrial Solutions segment offers dust, fume, and mist collectors; compressed air and industrial gasses purification systems; and hydraulic and lubricated rotating equipment applications, as well as gas and liquid filtration for industrial processes. This segment sells its products to various distributors, OEMs, and end-users. Its Life Sciences segment provides micro-environment gas and liquid filtration for food, beverage, and industrial processes; bioprocessing equipment, that includes bioreactors and fermenters; and bioprocessing consumables, such as chromatography devices, reagents and filters, and polytetrafluoroethylene membrane-based products, as well as specialized air and gas filtration systems for applications, including hard disk drives, semi-conductor manufacturing and sensors, battery systems, and powertrain components to OEMs and various end-users. The company was founded in 1915 and is headquartered in Bloomington, Minnesota.

Tetra Tech stock logo

Tetra Tech NASDAQ:TTEK

$35.69 -0.42 (-1.16%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$35.68 -0.01 (-0.03%)
As of 09/18/2026 07:37 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Tetra Tech, Inc. provides consulting and engineering services in the United States and internationally. The company operates through two segments, Government Services Group (GSG) and Commercial/International Services Group (CIG). The GSG segment offers early data collection and monitoring, data analysis and information management, science and engineering applied research, engineering design, project management, and operations and maintenance services; and climate change and energy management consulting, as well as greenhouse gas inventory assessment, certification, reduction, and management services. This segment serves federal, state, and local governments; and development agencies in water resources analysis and water management, environmental monitoring, data analytics, government consulting, waste management, and a range of civil infrastructure master planning and engineering design markets. The CIG segment provides early data collection and monitoring, data analysis and information management, feasibility studies and assessments, science and engineering applied research, engineering design, project management, and operations and maintenance services; and environmental remediation and reconstruction services, and industrial water treatment services. This segment serves natural resources, energy, and utilities markets, as well as sustainable infrastructure master planning and engineering design for facilities, transportation, and local development projects. Tetra Tech, Inc. was founded in 1966 and is headquartered in Pasadena, California.