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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
Aftermaster, Inc. stock logo
AFTM
Aftermaster
$0.00
$0.00
$0.00
N/A-1.11N/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
$0.00
-66.7%
$0.00
$0.00
$0.01
N/A-0.269,578 shs66,100 shs
CSTI
Costar Technologies
$4.97
-0.2%
$4.97
$2.75
$5.13
N/AN/AN/A1,300 shs
Rockford Corp. stock logo
ROFO
Rockford
$16.00
$16.00
$15.00
$16.00
N/AN/AN/AN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Aftermaster, Inc. stock logo
AFTM
Aftermaster
0.00%0.00%0.00%0.00%0.00%
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
0.00%-66.67%0.00%0.00%-83.33%
CSTI
Costar Technologies
0.00%0.00%0.00%0.00%0.00%
Rockford Corp. stock logo
ROFO
Rockford
0.00%0.00%0.00%0.00%0.00%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/AN/AN/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
N/AN/AN/AN/AN/AN/AN/AN/A
CSTI
Costar Technologies
N/AN/AN/AN/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Aftermaster, Inc. stock logo
AFTM
Aftermaster
0.00
N/AN/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
0.00
N/AN/AN/A
CSTI
Costar Technologies
0.00
N/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
$1.96MN/AN/AN/AN/AN/A
CSTI
Costar Technologies
$54.18MN/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/AN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/A0.00N/AN/AN/AN/AN/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
-$290KN/A0.00N/AN/AN/AN/AN/A
CSTI
Costar Technologies
-$2.38MN/A0.00N/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/A0.00N/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
N/AN/AN/AN/AN/A
CSTI
Costar Technologies
N/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/A

Institutional Ownership

CompanyInstitutional Ownership
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/A
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
0.01%
CSTI
Costar Technologies
N/A
Rockford Corp. stock logo
ROFO
Rockford
N/A

Insider Ownership

CompanyInsider Ownership
Aftermaster, Inc. stock logo
AFTM
Aftermaster
10.15%
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
13.20%
CSTI
Costar Technologies
4.87%
Rockford Corp. stock logo
ROFO
Rockford
40.60%
CompanyEmployeesShares OutstandingFree FloatOptionable
Aftermaster, Inc. stock logo
AFTM
Aftermaster
9N/AN/ANot Optionable
Andrea Electronics Corp. stock logo
ANDR
Andrea Electronics
9N/AN/ANot Optionable
CSTI
Costar Technologies
45N/AN/ANot Optionable
Rockford Corp. stock logo
ROFO
Rockford
107N/AN/ANot Optionable

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Media Sentiment Over Time

Aftermaster stock logo

Aftermaster OTCMKTS:AFTM

AfterMaster, Inc., together with its subsidiaries, operates as an audio technology company in the United States. It develops and commercializes proprietary audio and video technologies for professional and consumer use. The company offers AfterMaster audio, a mastering, remastering, and audio processing technology that makes various audio source sounds louder, fuller, deeper, and clearer; ProMaster, an online music mastering, streaming, and storage service designed for independent artists; and Aftermaster Pro, a personal audio re-mastering device. It also provides Aftermaster Studio Pro products for use in commercial audio applications; and MyStudio products. In addition, AfterMaster, Inc. operates six recording and mastering studios. The company was formerly known as Studio One Media, Inc. and changed its name to AfterMaster, Inc. in September 2015. AfterMaster, Inc. was incorporated in 1988 and is based in Scottsdale, Arizona.

Andrea Electronics stock logo

Andrea Electronics OTCMKTS:ANDR

$0.0001 0.00 (-66.67%)
As of 06/25/2025 10:55 AM Eastern

Andrea Electronics Corporation, together with its subsidiaries, designs, develops, and manufactures digital microphone products and noise reduction software that facilitate natural language and human/machine interfaces for the computer and business enterprise markets in the United States and internationally. The company develops digital signal processing (DSP) products and technologies for the voice, speech, and natural language interface markets. Its DSP microphone and audio noise reduction software products include DA-350 auto array microphone for far-field voice intelligibility and accuracy of automatic speech recognition in automotive and mass transit environments; DA-250 OEM array microphone, a small compact stereo array microphone and DSP circuit board platform; USB-SA array microphone, which offers a USB digital audio adapter to bypass a computer's standard integrated sound system; AudioCommander, a PC audio control panel; an audio software for Mac that offers an intuitive graphic user interface to control stereo array microphone beam forming and noise cancellation on the input and EQ filters; PureAudio Live Recorder, a digital voice and audio recording application; and PureAudio Plus Recorder, which provides bookmarks for navigation of recordings. Its products are used in various applications, including mass transit and automotive communication systems, automated teller machines, information kiosks, quick service restaurant automated ordering, Internet of Things, smart building entrance intercom systems, audio and video recordings, and video surveillance. The company markets and sells its products through sales representatives to computer and kiosk OEMs and industrial system integrators. Andrea Electronics Corporation was incorporated in 1934 and is headquartered in Bohemia, New York.

Costar Technologies OTCMKTS:CSTI

$4.97 -0.01 (-0.20%)
As of 08/18/2023

Costar Technologies, Inc., together with its subsidiaries, engages in the design, development, manufacture, and distribution of security solution products in the United States. The company operates through three segments: Costar Video Systems, CostarHD, and Other. Its security solutions products include surveillance cameras, digital video recorders, lenses, and high-speed domes, as well as industrial vision products. The company also provides IP video solutions for traffic monitoring, security, surveillance, and military applications; and accessories, such as cables, camera mounts, and data storage devices. It offers its solutions for financial institutions, educational facilities, retail stores, manufacturing plants, highways, government buildings, military bases, borders, and other applications. The company was formerly known as Sielox, Inc. and changed its name to Costar Technologies, Inc. in October 2011. Costar Technologies, Inc. was incorporated in 1997 and is based in Coppell, Texas.

Rockford stock logo

Rockford OTCMKTS:ROFO

$16.00 0.00 (0.00%)
As of 03/18/2022

Rockford Corp. engages in the distribution, marketing and design of systems for the mobile audio aftermarket and OEM market. It distributes its products through the following brand names: Rockford Fosgate, Rockford Acoustic Design, CrimeStopper, Renegade and Lightning Audio. The company was founded by Jim Fosgate in 1973 and is headquartered in Tempe, AZ.