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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
$0.00
$0.00
$0.00
$60K1.1988,680 shsN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
$0.00
$0.00
$0.16
$73K-0.0760,924 shsN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
$0.00
$0.00
$0.00
$0.13
$70K1.78,974 shs3,361 shs
Optec International, Inc. stock logo
OPTI
Optec International
$0.00
-18.2%
$0.00
$0.00
$0.00
$21KN/A1.00 million shs1.78 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
0.00%0.00%0.00%+200.00%+200.00%
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
0.00%0.00%0.00%0.00%+200.00%
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
0.00%0.00%0.00%+600.00%+600.00%
Optec International, Inc. stock logo
OPTI
Optec International
0.00%-10.00%0.00%-10.00%+12.50%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
N/AN/AN/AN/AN/AN/AN/AN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
N/AN/AN/AN/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
N/AN/AN/AN/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
0.00
N/AN/AN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
0.00
N/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
0.00
N/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
N/AN/AN/AN/AN/AN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
$2.66M0.00N/AN/AN/ANaN
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
$8.13K8.62N/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
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
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
N/AN/A0.00N/AN/AN/AN/AN/AN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
-$33.33MN/A0.00N/AN/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
-$15.18MN/A0.00N/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/A0.00N/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
N/AN/AN/AN/AN/A
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
N/AN/AN/AN/AN/A
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
N/AN/AN/AN/AN/A
Optec International, Inc. stock logo
OPTI
Optec International
N/AN/AN/AN/AN/A
CompanyEmployeesShares OutstandingFree FloatOptionable
Amarantus BioScience Holdings, Inc. stock logo
AMBS
Amarantus BioScience
12N/AN/ANot Optionable
Generex Biotechnology Co. stock logo
GNBT
Generex Biotechnology
15122.06 million79.09 millionNot Optionable
Navidea Biopharmaceuticals, Inc. stock logo
NAVB
Navidea Biopharmaceuticals
10100.08 million56.37 millionOptionable
Optec International, Inc. stock logo
OPTI
Optec International
111.65 millionN/ANot Optionable

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Top Headlines

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Amarantus BioScience stock logo

Amarantus BioScience OTCMKTS:AMBS

Amarantus BioScience Holdings, Inc., a biopharmaceutical company, focuses on the development of diagnostic and therapeutic product candidates in the areas of neurology, psychiatry, ophthalmology, and regenerative medicine. The company's diagnostic products in development include the lymphocyte proliferation (LymPro) test, a diagnostic blood test for Alzheimer's disease; and MSPrecise, a proprietary DNA sequencing assay for the identification of patients with multiple sclerosis. Its therapeutic products in development comprise Eltoprazine, a small molecule drug for the treatment of Parkinson's disease Levadopa-Induced Dyskinesia and attention deficit hyperactivity disorders; and mesencephalic-astrocyte-derived neurotrophic factor for the treatment of various animal models, including retinitis pigmentosa and retinal artery occlusion. It also develops NuroPro, a neurodegenerative disease diagnostic platform with application in Parkinson's disease; BC-SeraPro, an oncology diagnostic platform with application in breast cancer; and PhenoGuard platform for neurrotrophic factor discovery. In addition, the company develops Engineered Skin Substitute (ESS), a cell therapy-based autologous skin replacement product that is in mid-stage clinical development for the treatment of life-threatening severe burns. Amarantus BioScience Holdings, Inc. has a cooperative research and development agreement with the U.S. Army Institute of Surgical Research and Rutgers University. The company was formerly known as Amarantus Bioscience, Inc. and changed its name to Amarantus BioScience Holdings, Inc. in April 2013. Amarantus BioScience Holdings, Inc. was founded in 2008 and is headquartered in New York, New York.

Generex Biotechnology stock logo

Generex Biotechnology OTCMKTS:GNBT

Generex Biotechnology Corporation, through its subsidiaries, engages in the administration of formulations of large molecule drugs to the oral cavity using a hand-held aerosol applicator in Canada and the United States. It offers Generex Oral-lyn, an oral insulin product. The company is also developing AE37, a synthetic peptide vaccine, which has completed Phase IIb clinical trial to stimulate a potent and specific immune response against tumors expressing the HER-2/neu oncogene in patients with breast cancer and prostate cancer. In addition, it develops, manufactures, and distributes rapid point-of-care in-vitro medical diagnostics for infectious diseases, such as human immunodeficiency virus, tuberculosis, malaria, hepatitis B, hepatitis C, syphilis, and others; and test kits and cassettes for testing infectious diseases, as well as Excellagen, a wound conforming gel. Further, the company is developing immunotherapeutic products and vaccines; and extracellular matrix hydrogel solution, a tissue engineered therapy for the treatment of Ulcerative Colitis. Additionally, it manufactures and sells foot and ankle surgical kits that include plates, screws, and tools; and distributes surgical supplies, orthopedic implants, artificial joints, and biologics, medical devices, and regenerative medicine products. It also serves as the general partner of the Management Services Organization. Generex Biotechnology Corporation was founded in 1983 and is headquartered in Miramar, Florida. On April 23, 2022, an involuntary petition for liquidation under Chapter 7 was filed against Generex Biotechnology Corporation in the U.S. Bankruptcy Court for the Southern District of Florida. On June 6, 2022, the involuntary petition was approved by the Court.

Navidea Biopharmaceuticals stock logo

Navidea Biopharmaceuticals NYSE:NAVB

$0.0007 0.00 (0.00%)
As of 06/13/2025 01:46 PM Eastern

Navidea Biopharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of precision immunodiagnostic agents and immunotherapeutics. It operates in two segments, Diagnostic Substances and Therapeutic Development Programs. The company develops Manocept platform to target the CD206 mannose receptor expressed on activated macrophages for a range of diagnostic modalities, including single photon emission computed tomography, positron emission tomography (PET), gamma-scanning, and intra-operative and/or optical-fluorescence detection, as well as delivery of therapeutic compounds that target macrophages, and immune-and inflammation-involved diseases. It develops NAV3-31, which has completed Phase IIb clinical trials for evaluating imaging repeatability, reproducibility, and stability, as well as the capacity of Tc99m tilmanocept imaging for treatment of anti-tumor necrosis factor alpha therapy in patients with moderate to severe rheumatoid arthritis (RA); NAV3-35 that is in a Phase IIb clinical trial for RA imaging; NAV3-33, which is in Phase III clinical trial for RA; and NAV3-32, which is Phase 2b trial for RA-involved joints. The company is also developing Tc99m tilmanocept for cardiovascular, kaposi's sarcoma, tuberculosis, and other immunotherapeutic applications. The company was formerly known as Neoprobe Corporation and changed its name to Navidea Biopharmaceuticals, Inc. in January 2012. Navidea Biopharmaceuticals, Inc. was incorporated in 1983 and is headquartered in Dublin, Ohio.

Optec International stock logo

Optec International OTCMKTS:OPTI

$0.0018 0.00 (-18.18%)
As of 06/13/2025 03:50 PM Eastern

Optec International, Inc. engages in selling and marketing optimized fuel maximizer units in North America and internationally. It markets optimized fuel maximizer for passenger vehicles, intermediate/medium duty trucks, off-road equipment, generator systems, heavy duty diesel on-road vehicles, and transportation refrigeration units. The company was formerly known as Green Meadow Products, Inc. and changed its name to Optec International, Inc. in August 2017. Optec International, Inc. was founded in 2012 and is based in Carlsbad, California.