Penny Stocks To Keep An Eye On – March 18th

CytomX Therapeutics, Datavault AI, and Eightco are the three Penny stocks to watch today, according to MarketBeat’s stock screener tool. Penny stocks are shares of very low-priced companies—commonly defined in the U.S. as trading under $5 per share—and are often listed on over-the-counter markets or small exchanges. They typically have low market capitalization, limited liquidity and disclosure, and therefore carry high volatility and greater risk of manipulation, making them speculative investments. These companies had the highest dollar trading volume of any Penny stocks within the last several days.

CytomX Therapeutics (CTMX)

CytomX Therapeutics, Inc., an oncology-focused biopharmaceutical company, focuses on developing novel conditionally activated biologics localized to the tumor microenvironment. The company utilizes conditional activation platform technology for oncology biologics research and development comprising the validation of targets for antibody-drug conjugates (ADCs), opening therapeutic window for novel T-cell engagers (TCEs) targeting solid tumors, and increasing the therapeutic index for immune modulators, such as cytokines; and PROBODY platform in preclinical research in areas outside of oncology.

Datavault AI (DVLT)

Datavault AI Inc., a data sciences technology company, owns and operates data management and supercomputer platforms. It offers data technology and software solutions. The company was formerly known as WiSA Technologies, Inc. and changed its name to Datavault AI Inc. in February 2025. Datavault AI Inc.

Eightco (OCTO)

Eightco Holdings Inc. provides inventory management and corrugated custom packaging solutions in North America and Europe. It manufactures and sells custom packaging solutions for a various product; and provides and resells bitcoin mining equipment and co-location services. The company was formerly known as Cryptyde, Inc.