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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
$0.18
-0.9%		$0.20
$0.15
▼
$0.30
N/AN/A37,977 shs20,000 shs
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
$0.12
$0.12
$0.12
▼
$0.41
N/AN/A457 shsN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
$0.00
$0.00
▼
$0.22
N/AN/A132,364 shsN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
C$18.00
C$23.63
C$7.56
▼
C$34.30
N/AN/A1,680 shsN/A
(Almost) Everything You Need To Know About The EV Market Cover
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
-0.88%+0.56%-1.15%-12.72%-28.12%
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
0.00%0.00%0.00%-58.54%-42.74%
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
0.00%0.00%0.00%0.00%0.00%
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
0.00%0.00%-20.91%-43.75%+1,647.57%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
$0.18
-0.9%		$0.20
$0.15
▼
$0.30
N/AN/A37,977 shs20,000 shs
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
$0.12
$0.12
$0.12
▼
$0.41
N/AN/A457 shsN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
$0.00
$0.00
▼
$0.22
N/AN/A132,364 shsN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
C$18.00
C$23.63
C$7.56
▼
C$34.30
N/AN/A1,680 shsN/A
(Almost) Everything You Need To Know About The EV Market Cover
(Almost) Everything You Need To Know About The EV Market

Looking to profit from the electric vehicle mega-trend? Click the link to see our list of which EV stocks show the most long-term potential.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
-0.88%+0.56%-1.15%-12.72%-28.12%
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
0.00%0.00%0.00%-58.54%-42.74%
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
0.00%0.00%0.00%0.00%0.00%
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
0.00%0.00%-20.91%-43.75%+1,647.57%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
0.00
N/AN/AN/A
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
0.00
N/AN/AN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
0.00
N/AN/AN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
2.00
HoldN/AN/A

Current Analyst Ratings Breakdown

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
N/AN/AN/AN/AN/AN/A
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
N/AN/AN/AN/AN/AN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
N/AN/AN/AN/AN/AN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
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
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
N/AN/AN/AN/AN/AN/AN/AN/A11/4/2026 (Estimated)
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
N/A-$0.01N/AN/AN/AN/AN/AN/AN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
N/A-$1.83N/AN/AN/AN/AN/AN/AN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
N/AN/AN/AN/AN/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
N/AN/AN/AN/AN/A
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
N/A0.83%N/AN/AN/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
N/AN/AN/AN/AN/A
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
N/AN/AN/AN/AN/A

Institutional Ownership

CompanyInstitutional Ownership
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
N/A
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
10.98%
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
0.07%
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
N/A

Insider Ownership

CompanyInsider Ownership
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
N/A
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
N/A
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
5.78%
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
N/A
CompanyEmployeesShares OutstandingFree FloatOptionable
Baylin Technologies Inc. stock logo
BYLTF
Baylin Technologies
1,020N/AN/ANot Optionable
Comba Telecom Systems Holdings Limited stock logo
COBJF
Comba Telecom Systems
5,084N/AN/ANot Optionable
ERF Wireless, Inc. stock logo
ERFB
ERF Wireless
31N/AN/ANot Optionable
Yangtze Optical Fibre And Cable Joint Stock Limited stock logo
YZOFF
Yangtze Optical Fibre And Cable Joint Stock
3,152N/AN/ANot Optionable

Recent News About These Companies

Yangtze Optical Fibre And Cable Joint Stock Limited (OTCMKTS:YZOFF) Short Interest Update
August 28 at 3:32 AM  |  americanbankingnews.comhttps://www.americanbankingnews.com/?p=30987987
Le bénéfice de Yangtze Optical Fibre and Cable bondit de 889 % au S1
August 24, 2026  |  zonebourse.comZ
Yangtze Optical Fibre And Cable Joint Stock
August 13, 2026  |  fool.comhttps://www.fool.com/quote/sehk/6869/
Yangtze Optical Fibre and Cable prend le contrôle total de sa coentreprise de fibre optique ; le titre bondit de 7 %
August 1, 2026  |  zonebourse.comZ
New Buy Rating for Yangtze Optical Fibre and Cable Joint Stock Co (YZOFF), the Technology Giant
July 20, 2026  |  theglobeandmail.comhttps://www.theglobeandmail.com/investing/markets/stocks/YZOFF/pressreleases/3123163/new-buy-rating-for-yangtze-optical-fibre-and-cable-joint-stock-co-yzoff-the-technology-giant/
Yangtze Optical Fibre and Cable Joint Stock Co (YZOFF): New Buy Recommendation for This Technology Giant
July 16, 2026  |  theglobeandmail.comhttps://www.theglobeandmail.com/investing/markets/markets-news/Tipranks/3328216/yangtze-optical-fibre-and-cable-joint-stock-co-yzoff-new-buy-recommendation-for-this-technology-giant/
China’s hollow-core fiber trial pushes 51.3 Tb/s over 128 miles without signal regeneration
June 30, 2026  |  msn.comhttps://www.msn.com/en-us/technology/general/china-s-hollow-core-fiber-trial-pushes-51-3-tb-s-over-128-miles-without-signal-regeneration/ar-AA26MUb9
Yangtze Optical Fibre and Cable posts profit rebound on overseas growth
June 8, 2026  |  theglobeandmail.comhttps://www.theglobeandmail.com/investing/markets/stocks/YZOFF/pressreleases/1023593/yangtze-optical-fibre-and-cable-posts-profit-rebound-on-overseas-growth/
Yangtze Optical Fibre and Cable Announces Resignations of Two Independent Directors on Term-Limit Grounds
June 4, 2026  |  theglobeandmail.comhttps://www.theglobeandmail.com/investing/markets/stocks/YZOFF/pressreleases/752196/yangtze-optical-fibre-and-cable-announces-resignations-of-two-independent-directors-on-term-limit-grounds/
YOFC Reduces GHG Emissions Intensity by 13% in 2025, New ESG Report Reveals
May 12, 2026  |  wvgazettemail.comW
Yangtze Optical Fibre and Cable Updates Articles After H-Share Issuance
May 7, 2026  |  theglobeandmail.comhttps://www.theglobeandmail.com/investing/markets/stocks/YZOFF/pressreleases/1023661/yangtze-optical-fibre-and-cable-updates-articles-after-h-share-issuance/
Yangtze Optical Fibre & Cable JS Ltd. Co.
April 21, 2026  |  barrons.comhttps://www.barrons.com/market-data/stocks/yzoff/financials
Yangtze Optical Fibre And Cable Joint Stock Limited Company PT Lowered to HK$22.50 at Goldman Sachs
January 29, 2023  |  investing.comhttps://www.investing.com/news/pro/yangtze-optical-fibre-and-cable-joint-stock-limited-company-pt-lowered-to-hk2250-at-goldman-sachs-432SI-2990603

Media Sentiment Over Time

Baylin Technologies stock logo

Baylin Technologies OTCMKTS:BYLTF

$0.18 0.00 (-0.88%)
As of 08/28/2026 03:06 PM Eastern

Baylin Technologies Inc., together with its subsidiaries, researches, designs, develops, manufactures, and sells passive and active radio frequency (RF) products, satellite communications products, and supporting services. It offers embedded antennas for use in smartphones, tablets, and other mobile devices; device-specific antennas for Wi-Fi routers; gateway devices for smart home connectivity, set-top boxes, and land mobile radio products. The company provides RF components, including GaN-based power amplifiers, gallium arsenide-based power amplifiers, indoor and outdoor frequency converters, and transceivers; and antenna controllers for customers in the broadcast, maritime and cruise ships, government and military, homeland security, direct-to-home satellite, oil and gas, and wireless communications verticals. In addition, it provides RF and microwave solid state power amplifiers; and pulsed amplifiers for radar applications, and transmitter and transceiver products, as well as RF passive components and systems. The company offers its products under the Galtronics, and Advantech Wireless brands. Baylin Technologies Inc. was founded in 1978 and is headquartered in Toronto, Canada.

Comba Telecom Systems stock logo

Comba Telecom Systems OTCMKTS:COBJF

$0.12 0.00 (0.00%)
As of 08/27/2026

Comba Telecom Systems Holdings Limited, an investment holding company, research, develops, manufactures, and sells wireless telecommunications network system equipment and related engineering services in Mainland China, rest of Asia Pacific, the Americas, the European Union, the Middle East, and internationally. It operates through two segments: Wireless Telecommunications Network System Equipment and Services, and Operator Telecommunication Services. The company provides base station antennas and subsystems; open radio; ScanViS; and network system products, as well as cell site and enterprise solutions; consultancy, DAS network design, maintenance, and network optimization; and technical support, value-added, and repairing services. It engages in assembling, trading, and marketing of wireless telecommunications network system equipment; manufacture and sale of intelligent machinery; research and development, and trading of digital microwave system equipment; marketing; and provision of hardware and software solutions and services. It serves the airport, education, government and public safety, healthcare, hospitality, retail, stadium, and transportation industries. The company was founded in 1995 and is headquartered in Tai Po, Hong Kong.

ERF Wireless stock logo

ERF Wireless OTCMKTS:ERFB

ERF Wireless, Inc. provides wireless broadband access solutions for the energy industry in North America. The company conducts its operations through Energy Broadband, Inc., Wireless Bundled Services Division, and Enterprise Network Services segments. It offers wireless bandwidth and related support services, including nomadic terrestrial wireless broadband circuit connectivity to the wellsite; wellsite communications equipment rental; wellsite IT support services; wellsite IT services over broadband; network monitoring and maintenance:; layer 2 secure communications connectivity products rental and services; fixed site terrestrial wireless broadband connectivity; network design and construction; production field supervisory control and data acquisition; and midstream communications, monitoring, and security solutions for the oil and gas industry. The company also provides enterprise-level wireless bandwidth product and services, such as design and implementation of custom Internet wireless bandwidth solutions, including long-term maintenance and network monitoring; reselling arrangements; and secure connectivity services through its CryptoVue product to the regional banking, healthcare, and educational sectors primarily in the rural areas of North America. In addition, it offers commercial and residential wireless bandwidth products and services comprising -speed Internet, voice over Internet protocol services, network monitoring and maintenance services, and video services to commercial businesses and residential customers. The company was founded in 1986 and is headquartered in League City, Texas.

Yangtze Optical Fibre And Cable Joint Stock stock logo

Yangtze Optical Fibre And Cable Joint Stock OTCMKTS:YZOFF

C$18.00 0.00 (0.00%)
As of 08/26/2026

Yangtze Optical Fibre And Cable Joint Stock Limited Company, together with its subsidiaries, engages in the research, development, production, and sale of optical fiber preforms, cables, and related products in the People's Republic of China and internationally. The company offers cutting edge products; coating and coloring ink; communication optical fibers; submarine optical cables; optical transceivers; coaxial cables; fiber distribution frame, cabinet, terminal panel, and cable distribution box; and specialty fiber, cable, components, assemblies, optical, and modules. The company also provides air blown micro, optical, protective, base station, outdoor optical, railway station optical, vertical wiring, and OPGW cables, as well as optical cables for networks in rural areas. In addition, it provides cloud computing, smart transportation and tourism services, and POL solutions, as well as data center, fixed broadband, and 5G services; and smart grid and home entertainment solutions. The company was founded in 1988 and is headquartered in Wuhan, the People's Republic of China.

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