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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
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
$0.00
-30.0%
$0.00
$0.00
$0.04
$340K1.4513,268 shs233 shs
DGNG
Diguang International Development
$0.00
$0.01
$0.00
$0.09
$1.26M5.52500 shsN/A
DZS Inc. stock logo
DZSI
DZS
$0.32
$0.00
$2.07
$811K283,041 shs518 shs
Microwave Filter Co. stock logo
MFCO
Microwave Filter
$0.37
$0.41
$0.26
$0.59
$940K0.4128 shsN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
0.00%+100.00%+100.00%+25.00%-94.71%
DGNG
Diguang International Development
0.00%0.00%-81.43%+254.55%+77.27%
DZS Inc. stock logo
DZSI
DZS
0.00%0.00%0.00%0.00%-99.99%
Microwave Filter Co. stock logo
MFCO
Microwave Filter
0.00%-20.88%-2.66%+4.18%-37.97%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
N/AN/AN/AN/AN/AN/AN/AN/A
DGNG
Diguang International Development
N/AN/AN/AN/AN/AN/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
N/AN/AN/AN/AN/AN/AN/AN/A
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
0.00
N/AN/AN/A
DGNG
Diguang International Development
0.00
N/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
0.00
N/AN/AN/A
Microwave Filter Co. stock logo
MFCO
Microwave Filter
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
N/AN/AN/AN/AN/AN/A
DGNG
Diguang International Development
N/AN/AN/AN/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
$389.46M0.00N/AN/A$0.72 per share0.00
Microwave Filter Co. stock logo
MFCO
Microwave Filter
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
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
-$2.31MN/A0.00N/AN/AN/AN/AN/A
DGNG
Diguang International Development
N/AN/A0.00N/AN/AN/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
-$135.22M-$2.21N/AN/AN/A-45.63%-179.34%-27.13%N/A
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/AN/A0.00N/AN/AN/AN/AN/A

Latest CRTG, DGNG, MFCO, and DZSI Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/15/2025Q2 2025
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/A-$0.06N/A-$0.06N/A$0.53 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
N/AN/AN/AN/AN/A
DGNG
Diguang International Development
N/AN/AN/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
N/AN/AN/AN/AN/A
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
N/AN/AN/A
DGNG
Diguang International Development
N/AN/AN/A
DZS Inc. stock logo
DZSI
DZS
0.51
1.22
0.50
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/AN/AN/A

Institutional Ownership

CompanyInstitutional Ownership
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
N/A
DGNG
Diguang International Development
N/A
DZS Inc. stock logo
DZSI
DZS
40.77%
Microwave Filter Co. stock logo
MFCO
Microwave Filter
N/A

Insider Ownership

CompanyInsider Ownership
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
63.09%
DGNG
Diguang International Development
N/A
DZS Inc. stock logo
DZSI
DZS
1.50%
Microwave Filter Co. stock logo
MFCO
Microwave Filter
6.90%
CompanyEmployeesShares OutstandingFree FloatOptionable
The Coretec Group, Inc. stock logo
CRTG
The Coretec Group
8341.74 million126.14 millionNot Optionable
DGNG
Diguang International Development
2,177322.59 millionN/ANot Optionable
DZS Inc. stock logo
DZSI
DZS
84038.79 million38.21 millionOptionable
Microwave Filter Co. stock logo
MFCO
Microwave Filter
292.58 million2.40 millionNot Optionable

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The Coretec Group stock logo

The Coretec Group OTCMKTS:CRTG

$0.0007 0.00 (-30.00%)
As of 02:51 PM Eastern

The Coretec Group Inc. engages in the development of silicon anode active materials for lithium-ion batteries and cyclohexasilane for electric vehicles, cleantech, and tech applications. The company was founded in 2002 and is headquartered in Ann Arbor, Michigan.

Diguang International Development OTCMKTS:DGNG

$0.0039 0.00 (0.00%)
As of 07/18/2025

Diguang International Development Co., Ltd. engages in the design, production, and distribution of small to medium-sized light emitting diode and cold cathode fluorescent lamp backlights primarily for large and medium sized companies. The company offers backlights for liquid crystal displays in various applications, such as color displays for cell phones, car televisions and navigation systems, digital cameras, televisions, computer displays, camcorders, PDAs, DVDs, CD and MP3/MP4 players, and appliance displays, as well as for indoor and outdoor lighting, and home and office use. It sells its products to customers primarily in Taiwan, Hong Kong, North America, Europe, Japan, Southeast Asia, and China Mainland. The company was founded in 2004 and is headquartered in Shenzhen, the People's Republic of China. Diguang International Development Co., Ltd. is a subsidiary of Sino Olympics Industrial Limited.

DZS stock logo

DZS NASDAQ:DZSI

DZS Inc. provides access and optical networking infrastructure and cloud software solutions in the Americas, Europe, the Middle East, Africa, and Asia. The company offers access edge solutions through DZS Velocity, including voice, high-definition and ultra-high-definition video, highspeed internet access, and business class services; switching and routing products; and XCelerate for increasing the velocity with which service providers can leap to multi-gigabit services. It also provides subscriber edge solutions through DZS Helix comprising optical network terminals (ONTs) and smart gateway solutions for fiber to the x (FTTx) deployment; and connected premises products, consisting of indoor/outdoor ONTs and gateways. In addition, the company offers optical edge solutions through DZS Chronos and DZS Saber, which provides solutions for mobile operators and service providers that enables them to upgrade their mobile fronthaul/midhaul/backhaul systems and migrate to fifth generation wireless technologies. Further, it provides cloud software solutions through DZS Cloud that offers a commercial, carrier-grade network-slicing enabled orchestration platform, which supports open RAN and 4G/5G networks. The company was formerly known as DASAN Zhone Solutions, Inc. and changed its name to DZS Inc. in August 2020. DZS Inc. was founded in 1996 and is headquartered in Plano, Texas.

Microwave Filter stock logo

Microwave Filter OTCMKTS:MFCO

$0.37 0.00 (0.00%)
As of 07/18/2025

Microwave Filter Company, Inc. designs, develops, manufactures, and sells electronic filters for radio and microwave frequencies primarily in the United States. It manufactures RF filters and related components for eliminating interference and facilitating signal processing for cable television, broadcast, commercial and military communications, avionics, radar, navigation, and defense markets. The company also designs waveguide, stripline/microstrip, transmission line, miniature/subminiature, and lumped constant filters. Its configurations include bandpass, highpass, lowpass, bandstop, multiplexers, tunable notch, tunable bandpass, high power filters, amplitude equalized, delay equalized, and filter networks. The company serves 5G, cable television, television and radio broadcast, satellite broadcast, mobile radio, commercial, and aerospace and defense electronics markets. Microwave Filter Company, Inc. was incorporated in 1967 and is based in East Syracuse, New York.