Small Cap Stocks Worth Watching – September 28th

bioAffinity Technologies, Lithium Americas, Spring Valley Acquisition, Datavault AI, New Era Helium, Aqua Metals, and MEDIROM Healthcare Technologies are the seven Small Cap stocks to watch today, according to MarketBeat’s stock screener tool. Small-cap stocks are shares of publicly traded companies whose market capitalization generally falls between about $300 million and $2 billion. Because these firms are smaller and less established, their shares often carry higher volatility and risk but also offer the potential for above-average growth. These companies had the highest dollar trading volume of any Small Cap stocks within the last several days.

bioAffinity Technologies (BIAF)

bioAffinity Technologies, Inc., a biotechnology company, engages in developing non-invasive diagnostic tests and targeted cancer therapeutics. The company offers CyPath lung, a diagnostic test, for early detection of lung cancer. It also researches targeted therapies to treat lung cancer and other diseases of the lung at the cellular level.

Lithium Americas (LAC)

Lithium Americas Corp. engages in the exploration and development of lithium properties in the United States and Canada. It holds a 100% interest in the Thacker Pass project located in northern Nevada, as well as investments in exploration properties in the United States and Canada. Lithium Americas Corp.

Spring Valley Acquisition (SV)

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.

New Era Helium (NEHC)

New Era Helium, Inc. is an exploration and production company that sources helium produced in association with the production of natural gas reserves in North America. The company was founded in 2023 and is headquartered in Midland, TX.

Aqua Metals (AQMS)

Aqua Metals, Inc. engages in reinventing metals recycling activities with its patented AquaRefining technology. The company's technology produces metals and alloys that can be returned into the battery manufacturing supply chain markets, as well as sells metals for use in various advanced manufacturing industries.

MEDIROM Healthcare Technologies (MRM)

MEDIROM Healthcare Technologies Inc. provides holistic healthcare services in Japan. It operates in three segments: Relaxation Salon, Digital Preventative Healthcare, and Luxury Beauty. The Relaxation Salon segment owns and franchises relaxation salons, which provide finger-pressure style bodywork therapy, stretch therapy, and posture and joint alignment, as well as physical therapy elements; and various individual services, including anti-fatigue therapy, athletic support therapy, slim-down therapy, and reflexology.