Penny Stocks on the Move: Today’s Top Gainers and Biggest Decliners

On September 19, 2025, penny stocks experienced notable volatility, with Chijet Motor Company, Inc. (CJET) surging 188.12% to become the day's top gainer while Reviva Pharmaceuticals Holdings, Inc. (RVPH) plunged 36.28% as the steepest decliner.

Top Gainers
Chijet Motor Company, Inc. (CJET)
Chijet Motor Company, Inc. (CJET), in the Automobiles industry, surged 188.12% today—ranking first among penny stocks—with an intraday high of $0.34 and a close at $0.29. Key filings released September 15 detailed a planned 100-for-1 reverse stock split and a name change to "Digital," alongside newly appointed leadership accelerating digital currency integration efforts.

VerifyMe, Inc. (VRME)
VerifyMe, Inc. (VRME), operating in the Software industry, saw its stock surge 38.23% today, ranking it the 2nd largest gainer in the penny stock market. Shares reached an intraday high of $1.35 before closing at $1.28. The significant price movement followed recent developments; reports indicate the company secured $4.7 million via a warrant inducement transaction on September 15. Further positive sentiment stems from announcements on September 19 concerning advancements in precise logistics and supply chain security solutions.

Clearsign Technologies Corporation (CLIR)
Clearsign Technologies Corporation (CLIR) surged 36.40%, ranking third in penny stock gains, with an intraday high of $0.95 and closing at $0.68. The company operates in the Electronic Equipment, Instruments, and Components sector. Recent developments include a September 15, 2025 engineering order for a major U.S. refinery burner retrofit and an August 8 board realignment to accelerate growth, spurring investor interest amid the rally.

Tharimmune, Inc. (THAR)
Tharimmune, Inc. (THAR), a pharmaceutical company, surged 35.34% today, ranking as the fourth largest gainer in the penny stock market. The stock reached an intraday high of $3.89 before closing at $3.60. Recently announced global patent grants for its TH104 transmucosal film treatment and reports indicating FDA feedback enabling a streamlined New Drug Application path were key catalysts for the day's significant gains.

Fold Holdings, Inc. (FLD)
Fold Holdings (FLD), a Financial Services company, surged 33.24% today, ranking as the fifth-largest gainer among penny stocks. It reached an intraday high of $4.59 and closed at $4.53. Reports indicate FLD's Q2 2025 results featured a 59% YoY revenue increase to $8.2M and net income of $13.4M. The company also confirmed the recent completion of its transition to Nasdaq listing status.

Top Decliners
Reviva Pharmaceuticals Holdings, Inc. (RVPH)
Reviva Pharmaceuticals Holdings, Inc. (RVPH), operating in the Pharmaceuticals sector, saw its shares plummet 36.28% today—ranking as the worst performer in the penny stock market—hitting an intraday low of $0.25 before closing at $0.27. The steep decline followed the company's September 18 announcement of a proposed public offering of common stock and warrants, which analysts cite as diluting shareholder value. Reports indicate the offering aims to fund R&D and working capital, sparking investor apprehension about near-term dilution.

Alto Ingredients, Inc. (ALTO)
Alto Ingredients, Inc. (ALTO), operating in the *oil, gas and consumable fuels* sector, plummeted 28.64% today, ranking as the second-worst performer among penny stocks, with an intraday low and closing price both at $0.92. Reports on September 16 highlighted severe regulatory uncertainty impacting biofuel mandates, compounding concerns over volatile corn and ethanol prices detailed in Q2 results. Analysts note intensified competition and economic pressures further weakening profitability projections, fueling today’s sell-off.

Atlasclear Holdings, Inc. (ATCH)
Atlasclear Holdings, Inc. (ATCH), operating in the Financial Services industry, saw its stock decline 21.62% today, ranking among the top three decliners in the penny stock market. It reached an intraday low of $0.88 and closed at $0.91. Reports indicate the company recently secured a $3 million financing round via promissory notes issued at a 20% discount on September 17, 2025, alongside a material event filing related to securities purchase agreements on September 16, 2025, contributing to the sharp pullback despite prior volatility.

Lakeshore Biopharma Co., Ltd (LSB)
Lakeshore Biopharma (LSB), a pharmaceutical firm, plummeted 20.73%—ranking as the fourth-worst performer in today’s penny stocks—after hitting an intraday low of $0.57 and closing at $0.63. Market sentiment soured as reports indicate the company faces imminent Nasdaq delisting after failing to meet compliance requirements, with its September 18 deadline to request a hearing passing without resolution.