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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
ATI Inc. stock logo
ATI
ATI
$154.30
-5.1%
$153.39
$70.42
$171.11
$22.19B0.941.89 million shs1.37 million shs
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$482.73
-0.3%
$479.89
$455.18
$516.85
$1.04T0.635.08 million shs4.66 million shs
Heico Corporation stock logo
HEI
Heico
$288.59
-2.9%
$284.19
$256.11
$361.69
$41.46B0.95767,868 shs1.11 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
ATI Inc. stock logo
ATI
ATI
-5.27%-2.65%-1.69%+7.42%+105.85%
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
-0.25%+1.53%+1.80%-2.94%-4.12%
Heico Corporation stock logo
HEI
Heico
-2.81%-1.34%-1.35%-13.28%+7.37%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
ATI Inc. stock logo
ATI
ATI
$154.30
-5.1%
$153.39
$70.42
$171.11
$22.19B0.941.89 million shs1.37 million shs
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$482.73
-0.3%
$479.89
$455.18
$516.85
$1.04T0.635.08 million shs4.66 million shs
Heico Corporation stock logo
HEI
Heico
$288.59
-2.9%
$284.19
$256.11
$361.69
$41.46B0.95767,868 shs1.11 million shs
7 Stocks to Buy And Hold Forever Cover

Click the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
ATI Inc. stock logo
ATI
ATI
-5.27%-2.65%-1.69%+7.42%+105.85%
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
-0.25%+1.53%+1.80%-2.94%-4.12%
Heico Corporation stock logo
HEI
Heico
-2.81%-1.34%-1.35%-13.28%+7.37%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
ATI Inc. stock logo
ATI
ATI
3.00
Buy$164.386.53% Upside
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
2.00
Hold$524.508.65% Upside
Heico Corporation stock logo
HEI
Heico
2.67
Moderate Buy$358.8024.33% Upside

Current Analyst Ratings Breakdown

Latest ATI, HEI, and BRK.B Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/13/2026
Heico Corporation stock logo
HEI
Heico
Set Price TargetBuy$360.00
5/13/2026
Heico Corporation stock logo
HEI
Heico
UpgradeStrong-Buy
5/4/2026
ATI Inc. stock logo
ATI
ATI
Boost Price TargetOverweight$167.00 ➝ $175.00
5/4/2026
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
Lower Price TargetBuy$581.00 ➝ $570.00
5/1/2026
ATI Inc. stock logo
ATI
ATI
Reiterated RatingBuy$194.00
5/1/2026
ATI Inc. stock logo
ATI
ATI
Boost Price TargetOverweight$150.00 ➝ $175.00
5/1/2026
ATI Inc. stock logo
ATI
ATI
Boost Price TargetBuy$165.00 ➝ $180.00
5/1/2026
Heico Corporation stock logo
HEI
Heico
UpgradeStrong-Buy
4/23/2026
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
Boost Price TargetBuy$578.00 ➝ $581.00
4/22/2026
Heico Corporation stock logo
HEI
Heico
DowngradeBuy (B-)Hold (C+)
4/16/2026
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
DowngradeHoldStrong Sell
(Data available from 5/16/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
ATI Inc. stock logo
ATI
ATI
$4.59B4.59$4.35 per share35.44$13.82 per share11.17
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$371.44B2.80$26.79 per share18.02$338.20 per share1.43
Heico Corporation stock logo
HEI
Heico
$4.49B8.98$6.18 per share46.71$31.43 per share9.18
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
ATI Inc. stock logo
ATI
ATI
$404.30M$3.0251.0928.951.409.26%26.44%9.72%7/30/2026 (Estimated)
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$66.97B$33.5914.3722.68N/A19.31%6.55%3.80%N/A
Heico Corporation stock logo
HEI
Heico
$690.39M$5.0657.0346.473.6415.38%16.57%8.34%5/27/2026 (Estimated)

Latest ATI, HEI, and BRK.B Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/27/2026Q2 2026
Heico Corporation stock logo
HEI
Heico
$1.33N/AN/AN/A$1.25 billionN/A
5/2/2026Q1 2026
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$4.82$5.25+$0.43$5.82$95.10 billion$93.68 billion
4/30/2026Q1 2026
ATI Inc. stock logo
ATI
ATI
$0.88$1.00+$0.12$0.85$1.19 billion$1.15 billion
2/28/2026Q4 2025
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
$5.19$4.73-$0.46$0.56$102.89 billion$94.23 billion
2/25/2026Q1 2026
Heico Corporation stock logo
HEI
Heico
$1.26$1.35+$0.09$1.35$1.17 billion$1.18 billion
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
ATI Inc. stock logo
ATI
ATI
N/AN/AN/AN/AN/A
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
N/AN/AN/AN/AN/A
Heico Corporation stock logo
HEI
Heico
$0.240.08%+7.53%4.74%17 Years
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
ATI Inc. stock logo
ATI
ATI
0.95
2.67
1.17
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
N/A
0.36
0.36
Heico Corporation stock logo
HEI
Heico
0.55
3.06
1.41

Institutional Ownership

CompanyInstitutional Ownership
ATI Inc. stock logo
ATI
ATI
N/A
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
39.25%
Heico Corporation stock logo
HEI
Heico
27.12%

Insider Ownership

CompanyInsider Ownership
ATI Inc. stock logo
ATI
ATI
0.98%
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
6.05%
Heico Corporation stock logo
HEI
Heico
4.86%
CompanyEmployeesShares OutstandingFree FloatOptionable
ATI Inc. stock logo
ATI
ATI
7,600136.47 million135.13 millionOptionable
Berkshire Hathaway Inc. stock logo
BRK.B
Berkshire Hathaway
387,8002.16 billion2.03 billionOptionable
Heico Corporation stock logo
HEI
Heico
11,100139.52 million132.74 millionOptionable

Recent News About These Companies

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Is HEICO Corporation (HEI) A Good Stock To Buy Now?

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

View All Headlines
ATI stock logo

ATI NYSE:ATI

$154.30 -8.27 (-5.09%)
Closing price 05/15/2026 03:59 PM Eastern
Extended Trading
$155.11 +0.81 (+0.52%)
As of 05/15/2026 07:50 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.

ATI Inc. produces and sells specialty materials and complex components worldwide. It operates in two segments: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S). The HPMC segment produces various materials, including titanium and titanium-based alloys, nickel- and cobalt-based alloys and superalloys, metallic powder alloys, advanced powder alloys and other specialty materials, in long product forms, such as ingot, billet, bar, rod, wire, shapes and rectangles, and seamless tubes, as well as precision forgings, components, and machined parts. The AA&S segment produces zirconium and related alloys, including hafnium and niobium, nickel-based alloys, titanium and titanium-based alloys, and specialty alloys in a variety of forms, such as plate, sheet, and precision rolled strip products. It also provides hot-rolling conversion services, including carbon steel products. ATI Inc. serves to aerospace and defense, energy, automotive, construction and mining, food equipment and appliances, and medical markets. The company was formerly known as Allegheny Technologies Incorporated. ATI Inc. was incorporated in 1996 and is headquartered in Dallas, Texas.

Berkshire Hathaway stock logo

Berkshire Hathaway NYSE:BRK.B

$482.73 -1.33 (-0.27%)
Closing price 05/15/2026 03:59 PM Eastern
Extended Trading
$482.50 -0.23 (-0.05%)
As of 05/15/2026 08:00 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.

Berkshire Hathaway Inc., through its subsidiaries, engages in the insurance, freight rail transportation, and utility businesses worldwide. The company provides property, casualty, life, accident, and health insurance and reinsurance; and operates railroad systems in North America. It also generates, transmits, stores, and distributes electricity from natural gas, coal, wind, solar, hydroelectric, nuclear, and geothermal sources; operates natural gas distribution and storage facilities, interstate pipelines, liquefied natural gas facilities, and compressor and meter stations; and holds interest in coal mining assets. In addition, the company manufactures boxed chocolates and other confectionery products; specialty chemicals, metal cutting tools, and components for aerospace and power generation applications; flooring products; insulation, roofing, and engineered products; building and engineered components; paints and coatings; and bricks and masonry products, as well as offers manufactured and site-built home construction, and related lending and financial services. Further, it provides recreational vehicles, apparel and footwear products, jewelry, and custom picture framing products, as well as alkaline batteries; castings, forgings, fasteners/fastener systems, aerostructures, and precision components; and cobalt, nickel, and titanium alloys. Additionally, the company distributes televisions and information; franchises and services quick service restaurants; distributes electronic components; and offers logistics services, grocery and foodservice distribution services, and professional aviation training and shared aircraft ownership programs. It also retails automobiles; furniture, bedding, and accessories; household appliances, electronics, and computers; jewelry, watches, crystal, china, stemware, flatware, gifts, and collectibles; kitchenware; and motorcycle clothing and equipment. The company was incorporated in 1998 and is headquartered in Omaha, Nebraska.

Heico stock logo

Heico NYSE:HEI

$288.59 -8.56 (-2.88%)
Closing price 05/15/2026 03:59 PM Eastern
Extended Trading
$288.06 -0.53 (-0.19%)
As of 05/15/2026 05:50 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.

HEICO Corporation, through its subsidiaries, designs, manufactures, and sells aerospace, defense, and electronic related products and services in the United States and internationally. Its Flight Support Group segment provides jet engine and aircraft component replacement parts; thermal insulation blankets and parts; renewable/reusable insulation systems; and specialty components. This segment also distributes hydraulic, pneumatic, structural, interconnect, mechanical, and electro-mechanical components for the commercial, regional, and general aviation markets; and offers repair and overhaul services for jet engine and aircraft component parts, avionics, instruments, composites, and flight surfaces of commercial aircraft, as well as for avionics and navigation systems, and other instruments utilized on military aircraft. The company's Electronic Technologies Group segment provides electro-optical infrared simulation and test equipment; electro-optical laser products; electro-optical, microwave, and other power equipment; electromagnetic and radio frequency (RF) interference shielding and suppression filters; power conversion and interface; interconnection devices; and underwater locator beacons and emergency locator transmission beacons. This segment also offers traveling wave tube amplifiers and microwave power modules; memory products and specialty semiconductors; harsh environment connectivity products and custom molded cable assemblies; RF and microwave products; communications and electronic intercept receivers and tuners; self-sealing auxiliary fuel systems; active antenna systems and airborne antennas; nuclear radiation detectors; silicone products; power amplifiers; ceramic-to-metal feedthroughs and connectors; technical surveillance countermeasures equipment; RF receivers and sources; embedded computing solutions; test sockets and adapters; and radiation assurance services. The company was incorporated in 1957 and is headquartered in Hollywood, Florida.