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

On June 27, 2025, the penny stock market witnessed remarkable fluctuations. Among the companies, Redcloud Holdings Plc experienced the most significant increase, while Ontrak, Inc. suffered the steepest decline.

Top Gainers
Redcloud Holdings Plc (RCT)
Redcloud Holdings Plc, operating in the Software industry, experienced a remarkable surge today, with its stock price increasing by 126.26%, ranking first among penny stocks. The intraday high reached 4.76, while the closing price settled at 3.24. Reports indicate that recent developments, such as Redcloud's AI-powered FMCG trading platform launched on June 26, 2025, and the CEO's participation in the ROTH Conference, have fueled investor enthusiasm, contributing to today's stock movement.

Sera Prognostics, Inc. (SERA)
Sera Prognostics, Inc., a leading provider of healthcare diagnostics and services, saw its stock soar by 106.57% today, ranking second in the penny stock market. The stock peaked and closed at $4.09. Recent reports indicate that Sera's engagement with Medicaid plans for the PreTRM® Test pilots and the company's strong presence at the ACOG 2025 Annual Clinical & Scientific Meeting on June 26, 2025, are key factors contributing to the stock surge.

Autonomix Medical, Inc. (AMIX)
Autonomix Medical, Inc. experienced a notable 60.80% surge today, ranking third in the penny stock market. The stock reached an intraday high of $2.43 before closing at $2.01. The industry it operates in is Medical Devices and Supplies. Reports indicate that the company's stock soared following the issuance of a new U.S. patent on June 27, 2025, strengthening its strategic position in nerve-focused treatments and expanding its global IP portfolio. Analysts say the company's recent advancements in robotic surgery technology, reported on June 25, 2025, have further driven investor interest.

Sonder Holdings Inc. (SOND)
Today's penny stock market saw Sonder Holdings Inc., a player in the Hotels, Restaurants & Leisure industry, rank 4th with a significant stock price surge of 41.88%. The stock reached an intraday high of $2.58 before closing at $2.27. Recent reports indicate that Sonder Holdings received a deficiency notification from Nasdaq on May 23, 2025, and subsequently announced actions intended to address this issue on June 26, 2025, contributing to the stock's notable performance today.

Saverone 2014 Ltd. (SVRE)
Saverone 2014 Ltd. witnessed a notable surge in stock price today, climbing 38.70% to close at $3.19, with an intraday high of $5.69, ranking it fifth among today's penny stock market movers. Operating in the software industry, the company's stock performance is attributed to recent strategic developments. On June 25, 2025, reports indicate that SaverOne engaged with a top-tier global consultancy firm to develop a strategic plan for its Vulnerable Road User (VRU) Solution, which analysts say is driving investor interest and optimism in the company's future prospects.

Top Decliners
Ontrak, Inc. (OTRK)
Ontrak, Inc., a prominent player in the healthcare providers and services industry, experienced a significant plunge in its stock market performance today, with a staggering decline of 43.17%, positioning it at the top of today's penny stock market decliners. The stock closed at $0.553, slightly above the intraday low of $0.5. Recent developments have brought Ontrak to the forefront of financial news, as reports indicate that the company's recent $4 million public offering, priced at $0.60 per share, has raised eyebrows among investors. Analysts say this move, along with insider trading activities disclosed on June 24, 2025, has contributed to the sharp decline in stock value.

Greenlane Holdings, Inc. (GNLN)
Greenlane Holdings, Inc. (NASDAQ: GNLN), operating in the distributors industry, witnessed a significant stock decline today, with shares plummeting by 41.33%, marking the second largest drop in the penny stock market. The stock hit an intraday low of $2.86 before closing at $3.08. Recent reports indicate that Greenlane's sharp decline is attributed to the upcoming 1-for-750 reverse stock split, set for June 26, 2025, and the Nasdaq's conditional extension to prevent delisting. Analysts say the tight deadlines to meet compliance requirements, including maintaining a minimum closing bid of $1.00, are driving investor uncertainty.

Perfect Moment Ltd. (PMNT)
Today, Perfect Moment Ltd., a company operating in the textiles, apparel, and luxury goods industry, experienced a significant stock decline of 40.57%, ranking third in today's penny stock market. The stock reached an intraday low of 0.237 before closing at 0.252. Recent reports indicate that the company announced a proposed public offering of common stock on June 26, 2025, aiming to transform its business structure for scalability, which analysts say might have contributed to today's plunge.

WF Holding Limited (WFF)
WF Holding Limited, operating in the chemical products industry, experienced a significant stock decline today of 39.91%, ranking fourth in the penny stock market. The stock reached an intraday low of $3.26 and closed at $3.99. Reports from June 24, 2025, indicate that WF Holding Ltd plans major investments in China, aiming to expand business operations and production capacities, which analysts say might have led to today's market reaction.

Helius Medical Technologies, Inc. (HSDT)
Helius Medical Technologies, Inc., a neurotech company specializing in healthcare equipment and supplies, saw its stock plunge by 37.94% today, ranking fifth among penny stocks. The intraday low reached $0.203, closing at $0.211. Reports indicate that the company's reverse stock split announcement, effective June 30, 2025, and anticipated compliance with Nasdaq listing requirements have contributed to the decline, amid investor concerns over stock dilution and regulatory challenges.