Soligenix, Catheter Precision, and Wellgistics Health are the 3 Penny Stocks to watch on August 19, 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 August 18, 2025. Simply put, Dollar Volume is the number of shares traded on a particular day multiplied by the day’s share price.
Soligenix (SNGX) – Soligenix is a late-stage biopharmaceutical company focused on developing and commercializing treatments for rare diseases. On August 18, SNGX had a Dollar Volume of $914.44 million, while its stock price skyrocketed by 78%.
Soligenix shares jumped after the company announced that the U.S. Food and Drug Administration (FDA) had granted orphan drug designation to dusquetide, the active ingredient in SGX945, for the “treatment of Behcet’s Disease.” The company recently announced positive data from its Phase 2a proof-of-concept study for SGX945.
Catheter Precision (VTAK) – Catheter Precision is a medical device company focused on developing innovative technology for electrophysiology procedures for cardiac arrhythmias. Yesterday, VTAK had a Dollar Volume of $254.58 million, while its stock price soared by over 62%.
The company announced that its LockeT was registered and approved in the UK. Therefore, Catheter Precision can now begin sales of the suture retention device in the country, having received a CE Mark for European approval and distribution in May 2025.
Wellgistics Health (WGRX) – Wellgistics Health is a healthcare technology and pharmaceutical logistics company. It operates as a distributor and wholesaler of generic and branded pharmaceuticals, as well as over-the-counter healthcare and consumer products. On Monday, WGRX had a Dollar Volume of $67.66 million, accompanied by a stock price surge of nearly 21%.
The company’s shares surged on two positive pieces of news. First, Wellgistics terminated its equity line of credit with Hudson Global Ventures to support its growth strategy and take a disciplined approach to its capital structure. Additionally, the company recently announced the launch of its Ripple Labs-powered XRP Implementation Program, which will provide independent pharmacies with access to blockchain-based payments in the prescription drug space for the first time.
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.