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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
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
$2.00
-1.0%
$1.98
$0.64
$6.43
$41.14M-1.032.21 million shs97,987 shs
Knightscope, Inc. stock logo
KSCP
Knightscope
$5.28
-0.4%
$5.41
$2.45
$28.57
$36.43M1.76227,832 shs312,023 shs
The LGL Group, Inc. stock logo
LGL
The LGL Group
$6.67
-4.2%
$6.72
$4.91
$9.74
$35.95M0.257,835 shs306,284 shs
MIND Technology, Inc. stock logo
MIND
MIND Technology
$6.59
+10.2%
$6.29
$3.05
$11.10
$52.52M0.7202,544 shs679,703 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
0.00%-0.99%-13.04%+20.48%+96.08%
Knightscope, Inc. stock logo
KSCP
Knightscope
0.00%-4.69%-9.28%+28.78%+527,999,900.00%
The LGL Group, Inc. stock logo
LGL
The LGL Group
0.00%-1.91%-0.60%+1.06%+21.27%
MIND Technology, Inc. stock logo
MIND
MIND Technology
0.00%+6.63%+1.54%-1.20%+54.33%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
3.7058 of 5 stars
3.55.00.00.03.03.30.6
Knightscope, Inc. stock logo
KSCP
Knightscope
1.9998 of 5 stars
3.54.00.00.00.00.80.6
The LGL Group, Inc. stock logo
LGL
The LGL Group
N/AN/AN/AN/AN/AN/AN/AN/A
MIND Technology, Inc. stock logo
MIND
MIND Technology
1.3078 of 5 stars
0.05.00.00.02.20.01.3
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
3.00
Buy$5.00150.00% Upside
Knightscope, Inc. stock logo
KSCP
Knightscope
3.00
Buy$15.67196.72% Upside
The LGL Group, Inc. stock logo
LGL
The LGL Group
0.00
N/AN/AN/A
MIND Technology, Inc. stock logo
MIND
MIND Technology
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

Latest MIND, KSCP, AMPG, and LGL Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
6/6/2025
Knightscope, Inc. stock logo
KSCP
Knightscope
Ascendiant Capital Markets
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$30.00 ➝ $26.00
5/16/2025
Knightscope, Inc. stock logo
KSCP
Knightscope
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$12.00 ➝ $12.00
4/28/2025
Knightscope, Inc. stock logo
KSCP
Knightscope
Ascendiant Capital Markets
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$32.00 ➝ $30.00
4/7/2025
Knightscope, Inc. stock logo
KSCP
Knightscope
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$16.00 ➝ $12.00
4/1/2025
Knightscope, Inc. stock logo
KSCP
Knightscope
Lake Street Capital
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$17.00 ➝ $9.00
(Data available from 6/23/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
$9.51M4.33N/AN/A$2.14 per share0.93
Knightscope, Inc. stock logo
KSCP
Knightscope
$10.81M3.37N/AN/A$3.58 per share1.47
The LGL Group, Inc. stock logo
LGL
The LGL Group
$4.32M8.32$0.06 per share111.76$7.60 per share0.88
MIND Technology, Inc. stock logo
MIND
MIND Technology
$46.86M1.12$0.75 per share8.73$3.43 per share1.92
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
-$11.24M-$0.69N/AN/A-77.94%-29.49%-24.39%8/12/2025 (Estimated)
Knightscope, Inc. stock logo
KSCP
Knightscope
-$31.73M-$8.14N/AN/AN/A-270.66%-228.33%-115.53%7/1/2025 (Estimated)
The LGL Group, Inc. stock logo
LGL
The LGL Group
$270K$0.0795.29N/AN/A0.96%0.93%N/A
MIND Technology, Inc. stock logo
MIND
MIND Technology
$5.07M$2.892.28N/A6.99%19.12%8.58%9/9/2025 (Estimated)

Latest MIND, KSCP, AMPG, and LGL Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
7/1/2025N/A
Knightscope, Inc. stock logo
KSCP
Knightscope
-$0.05N/AN/AN/AN/AN/A
6/10/2025Q1 2026
MIND Technology, Inc. stock logo
MIND
MIND Technology
$0.08-$0.12-$0.20-$0.12$10.10 million$7.90 million
5/15/2025Q1 2025
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
-$0.08-$0.09-$0.01-$0.09$3.50 million$3.60 million
5/15/2025Q1 2025
Knightscope, Inc. stock logo
KSCP
Knightscope
-$1.47-$1.28+$0.19-$1.28$2.55 million$2.81 million
4/22/2025Q4 2025
MIND Technology, Inc. stock logo
MIND
MIND Technology
$0.18$0.25+$0.07$0.25$12.20 million$15.04 million
4/1/2025Q4 2024
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
-$0.12-$0.32-$0.20-$0.32$3.00 million$1.85 million
3/31/2025Q4 2024
Knightscope, Inc. stock logo
KSCP
Knightscope
-$1.88-$0.78+$1.10-$0.78$2.52 million$2.81 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
N/AN/AN/AN/AN/A
Knightscope, Inc. stock logo
KSCP
Knightscope
N/AN/AN/AN/AN/A
The LGL Group, Inc. stock logo
LGL
The LGL Group
N/AN/AN/AN/AN/A
MIND Technology, Inc. stock logo
MIND
MIND Technology
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
N/A
12.10
8.88
Knightscope, Inc. stock logo
KSCP
Knightscope
0.22
2.27
2.06
The LGL Group, Inc. stock logo
LGL
The LGL Group
N/A
57.20
56.75
MIND Technology, Inc. stock logo
MIND
MIND Technology
N/A
3.55
2.04

Institutional Ownership

CompanyInstitutional Ownership
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
10.99%
Knightscope, Inc. stock logo
KSCP
Knightscope
14.61%
The LGL Group, Inc. stock logo
LGL
The LGL Group
30.28%
MIND Technology, Inc. stock logo
MIND
MIND Technology
9.83%

Insider Ownership

CompanyInsider Ownership
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
29.80%
Knightscope, Inc. stock logo
KSCP
Knightscope
15.43%
The LGL Group, Inc. stock logo
LGL
The LGL Group
18.90%
MIND Technology, Inc. stock logo
MIND
MIND Technology
2.50%
CompanyEmployeesShares OutstandingFree FloatOptionable
AmpliTech Group, Inc. stock logo
AMPG
AmpliTech Group
4020.57 million14.44 millionNot Optionable
Knightscope, Inc. stock logo
KSCP
Knightscope
406.90 million5.84 millionNot Optionable
The LGL Group, Inc. stock logo
LGL
The LGL Group
3105.39 million4.41 millionNot Optionable
MIND Technology, Inc. stock logo
MIND
MIND Technology
2007.97 million7.77 millionNo Data

Recent News About These Companies

MIND Technology / GWL Collaboration Agreement
MIND Technology's Earnings: A Preview

New MarketBeat Followers Over Time

Media Sentiment Over Time

AmpliTech Group stock logo

AmpliTech Group NASDAQ:AMPG

$2.00 -0.02 (-0.99%)
Closing price 06/20/2025 04:00 PM Eastern
Extended Trading
$2.04 +0.04 (+2.00%)
As of 06/20/2025 07:13 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 Polygon.io. Learn more.

AmpliTech Group, Inc. designs, engineers, and assembles micro-wave component-based amplifiers. The company's products include radio frequency (RF) amplifiers and related subsystems, such as low noise amplifiers for use in receivers of various communication systems comprising Wi-Fi, radar, satellite, base station, cell phone, radio, etc.; and medium power amplifiers that provide enhanced output power and gain in transceiver chains. It provides specialty microwave block downconverters used as a test device on satellite access point antennas; specialty microwave 1:2 Tx protection switch panels that is used in satellite communication earth stations; desktop/benchtop and compact wideband power amplifiers used in SATCOM rack mount systems, as well as test equipment used in integrators and manufacturers of various communications systems, such as cellular base stations, simulators, and point to point wireless radios; and waveguide to coaxial adapters for SATCOM and satellite internet gateway systems. In addition, the company offers cryogenic amplifiers for quantum computing, medical, RF imaging, research and development, space communications, accelerators, radiometry, and telephony applications; and cryogenic and non-cryogenic 4g/5g small cell subsystems for high-speed networks and airline Wi-Fi systems. Further, it provides custom assembly designs and non-recurring engineering services on a project-by-project basis, as well as IC packaging and lids products. The company serves aerospace, government, defense, commercial satellite, and wireless industries through sales representatives and distributors in the United States, Europe, the Middle East, and South Asia. AmpliTech Group, Inc. was founded in 2002 and is based in Hauppauge, New York.

Knightscope stock logo

Knightscope NASDAQ:KSCP

$5.28 -0.02 (-0.38%)
Closing price 06/20/2025 04:00 PM Eastern
Extended Trading
$5.48 +0.20 (+3.79%)
As of 06/20/2025 07:43 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 Polygon.io. Learn more.

Knightscope, Inc. designs, develops, manufactures, markets, deploys, and supports autonomous security robots (ASR) in the United States. Its products include K3 and K5 ASRs designed to roam a geo-fenced area autonomously by utilizing numerous sensors and lasers, either on a random basis or based on a particular patrolling algorithm to navigate around people, vehicles, and objects in dynamic indoor or outdoor environments; K1, an ASR for used in indoors or outdoors and at ingress/egress points for both people and vehicles; and K7, a multi-terrain ASR. The company also develops and operates the Knightscope security operations center (KSOC), a browser-based interface, which allows real-time data access service to its clients for alert of an abnormal event; and Knightscope network operations center (KNOC), a custom set of tools that enables it to manage and monitor the network of ASRs with alerts related to critical indicators and statistics, including charging, software, navigation, and temperatures, as well as to execute over-the-air software upgrades, patches, and other related items. In addition, it offers Knightscope+, a virtual monitoring and response solution that provides an alternative for client sites. The company serves airports, commercial real estate, corporate campus, homeowner associations, hotels, universities, municipalities, rail, healthcare, public parks, schools, casinos, corporations, logistics, manufacturing, law enforcement, Parking areas, municipalities, universities, and property management companies, as well as the U.S. federal government. Knightscope, Inc. was incorporated in 2013 and is headquartered in Mountain View, California.

The LGL Group stock logo

The LGL Group NYSE:LGL

$6.67 -0.29 (-4.17%)
As of 06/20/2025 03:58 PM Eastern

The LGL Group, Inc., together with its subsidiaries, engages in the design, manufacture, and marketing of time and frequency instruments in the United States and internationally. It operates in two segments, Electronic Instruments and Merchant Investment. The company offers frequency and time reference standards; radio frequency (RF), digital, and optical time code distribution amplifiers; Network Time Protocol (NTP) servers; and redundancy auto switches. It also offers time and frequency instrumentation, including frequency standards, time standards, and time code generators. In, addition it offers wide range of ancillary products, such as RF distribution amplifiers, digital distribution amplifiers, time code distribution amplifiers, and redundancy switches. Its products are used in computer networking, satellite ground stations, electric utilities, metrology, broadcasting, and telecommunication systems. In addition, it engages in the merchant investment activities. The company was formerly known as Lynch Corporation and changed its name to The LGL Group, Inc. The LGL Group, Inc. was founded in 1917 and is based in Orlando, Florida.

MIND Technology stock logo

MIND Technology NASDAQ:MIND

$6.59 +0.61 (+10.20%)
Closing price 06/20/2025 04:00 PM Eastern
Extended Trading
$6.76 +0.17 (+2.50%)
As of 06/20/2025 07:59 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 Polygon.io. Learn more.

MIND Technology, Inc., together with its subsidiaries, provides technology to the oceanographic, hydrographic, defense, seismic, and maritime security industries worldwide. Its primary products include the GunLink seismic source acquisition and control systems that provide operators of marine seismic surveys with precise monitoring and control of energy sources; the BuoyLink RGPS tracking system, which is used to offer precise positioning of marine seismic energy sources and streamers; Sleeve Gun energy sources; SeaLink towed seismic streamer system; and Sea Serpent line of passive sonar arrays for maritime security and anti-submarine warfare applications. The company also provides streamer weight collars, depth and pressure transducers, air control valves, and source array systems; spare and replacement parts; and repair and engineering services, training and field service operations, and umbilical terminations. The company was formerly known as Mitcham Industries, Inc. MIND Technology, Inc. was incorporated in 1987 and is headquartered in The Woodlands, Texas.