Datavault AI, Strata Skin Sciences, and Soluna Holdings are the 3 Penny Stocks to watch on September 25, 2025, based on TipRanks’ Penny Stock Screener tool. Penny stocks are defined as stocks that trade at or below $5 per share and have a market capitalization below $300 million.
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The Penny Stock Screener helps investors scan stocks based on numerous parameters, including Sector, Price Target Upside, Smart Score, Analyst Consensus, Dollar Volume, and Price Change.
We leveraged the tool to pick the top three penny stocks with the highest Dollar Volume as of the close on September 24, 2025. Simply put, Dollar Volume is the number of shares traded on a particular day multiplied by the day’s share price.
Datavault AI (DVLT) – Datavault AI is a data sciences company, specializing in AI-driven data experience, valuation, and monetization in the Web 3.0 environment. On September 24, DVLT had a Dollar Volume of $357.88 million, while its stock price declined by nearly 12%.
The share price dip appears to be a reversal from an earlier rally, when DVLT shares rocketed over 80% on Tuesday. Datavault announced a strategic partnership with Nature’s Miracle Holding (NMHI) and Harrison Global Holdings Inc. (BLMZ) to boost XRP adoption. The companies launched the X Club at the XRP Seoul Global Conference on September 21, 2025, with the goal of integrating XRP into the financial systems of public companies worldwide.
Strata Skin Sciences (SSKN) – Strata Skin Sciences is a Medtech company focused on developing non-invasive tools for the therapeutic and aesthetic dermatology market. Yesterday, SSKN had a Dollar Volume of $282.79 million, while its stock price sank by nearly 18%.
The share price drop appears to be a reversal from the previous day’s rally, when SSKN shares surged over 52%. Strata Skin Sciences announced the publication of a peer-reviewed study highlighting the superior efficacy of its 308nm Excimer laser combined with JAK inhibitors for treating vitiligo. A 251-patient trial published in the International Journal of Dermatology reported that the combination therapy achieved 14.2% higher repigmentation than monotherapy, with 100% efficacy at 52 weeks, 96.5% pigmentation stability, and only an 8.8% relapse rate after one year.
Soluna Holdings (SLNH) – Soluna Holdings converts stranded renewable energy resources, such as wind and solar power, into productive computational work, including Bitcoin mining, artificial intelligence, and machine learning in its data centers. On Wednesday, SLNH had a Dollar Volume of $232.62 million, accompanied by a stock price surge of about 48%.
Over the past five trading sessions, SLNH stock has exploded more than 243% on positive developments. On September 16, Soluna announced that it has secured a $100 million credit facility from Generate Capital, with an initial $12.6 million draw to refinance and build data centers, supporting its 1-gigawatt pipeline and growth.
To find more penny stocks like these, you can take a look at TipRanks’ Penny Stock Screener tool. It shows a list of all penny stocks, their price movement, and other vital data.