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

On June 3, 2025, the penny stock market witnessed notable movements, with some companies experiencing remarkable gains while others faced significant declines. Among the top gainers, Newgenivf Group Limited (NIVF) led the surge, showcasing an impressive stock increase. Conversely, Huachen AI Parking Management Technology Holding Co., Ltd (HCAI) experienced the most significant drop in stock value, highlighting the volatile nature of the penny stock market.

Top Gainers

Newgenivf Group Limited (NIVF)
Newgenivf Group Limited, a biotechnology company, witnessed a dramatic surge in its stock price, climbing by an impressive 115.12% today, ranking first among penny stock market movers. The stock reached an intraday high of $6.13 before closing at $3.7. Recent reports indicate that NewGen has filed for an offering of 22.02 million Class A ordinary shares as of June 2, 2025. Additionally, the company announced on June 3, 2025, its plans to invest $30 million in expanding its digital asset portfolio, notably in the Solana blockchain, which has fueled investor enthusiasm and contributed significantly to today's stock surge.

Biomea Fusion, Inc. (BMEA)
Biomea Fusion, Inc., a clinical-stage biotechnology company, saw a substantial stock increase of 60.65% today, making it the second highest gainer in the penny stock market. The stock reached an intraday high of $2.69 before closing at $2.49. Recent developments have bolstered investor confidence, including the selection of Biomea's BMF-500 for a poster presentation at EHA 2025, highlighting promising Phase I data in acute leukemia, and the company's strategic realignment to focus on core programs, as announced on May 14, 2025. Reports indicate that these moves have significantly contributed to today's stock surge.

Nucana Plc (NCNA)
Nucana Plc, a pharmaceutical company, witnessed a remarkable surge in its stock price, increasing by 57.90% today, ranking third among penny stocks. The stock reached an intraday high of $0.06 and closed at $0.06. Reports indicate that encouraging initial data from a Phase 1b/2 study of NUC-3373, announced on June 2, 2025, contributed significantly to the stock's dramatic rise.

I-Mab (IMAB)
I-Mab, a biotech company specializing in biological technology, experienced a notable surge in its stock price today, climbing 46.09% and ranking fourth in the penny stock market. The stock reached an intraday high of $1.97 before closing at $1.87. Reports indicate that I-Mab's accelerated Phase 1b study of Givastomig and strategic pipeline adjustments have contributed to the stock's rise. On June 3, 2025, the company announced the completion of early dose expansion, focusing efforts on CLDN18.2-positive gastric cancer treatment.

Kiora Pharmaceuticals, Inc. (KPRX)
Kiora Pharmaceuticals, Inc. saw a notable surge in its stock, climbing 36.84% today, ranking it fifth among today's penny stock market movers. The company's stock hit an intraday high of $4.18 before closing at $3.9. Kiora, operating in the pharmaceutical industry, recently announced a potential $110 million deal with Senju Pharmaceutical Co., Ltd. for the development and commercialization of KIO-301, a novel treatment for ophthalmic diseases, in key Asian markets. This partnership, revealed on June 3, 2025, includes an immediate $1.25 million exclusive option fee, contributing significantly to today's stock rise. Reports indicate that this strategic move is expected to enhance Kiora's global reach and financial stability.

Top Decliners

Huachen AI Parking Management Technology Holding Co., Ltd (HCAI)
Today, Huachen AI Parking Management Technology Holding Co., Ltd experienced a significant stock drop of 61.14%, ranking first in today's penny stock market. The stock hit an intraday low of $1.42 before closing at $1.57. Operating in the mechanical manufacturing industry, the company's market movement reflects recent news developments. Reports indicate that Huachen AI Parking Management Technology Holding Co., Ltd's stock plunged due to analysts saying that the underwriters' over-allotment option was exercised on June 1, 2025, and the company's announcement of its SEC filing update on May 31, 2025.

PTL Limited (PTLE)
Today, PTL Limited (PTLE) experienced a sharp decline, with its stock plummeting by 47.86%, ranking second among penny stock movements. The intraday low was recorded at 0.461, closing at 0.73, as the company continues to operate in the oil, gas, and consumable fuels industry. Reports indicate that the recent stock plunge is attributed to the June 2, 2025 announcement of a shareholder meeting scheduled for June 16, 2025, encouraging shareholders to review materials for voting, combined with updates on marine fuel logistics and trade credit solutions in the Asia Pacific region. Analysts say these developments have contributed to market uncertainties and influenced today's drastic stock movement.

Raytech Holding Limited (RAY)
Raytech Holding Limited, operating in the Consumer Durables sector, experienced a steep decline today, with its stock plummeting by 43.95%. Ranked third in today’s penny stock market drop, the shares hit an intraday low of $1.39, closing at $1.62. Recent reports indicate significant financial challenges for Raytech, contributing to the sharp decline in stock value. On June 1, 2025, analysts say that upcoming regulatory changes could adversely affect the company's financial outlook, while the May 31, 2025, reports indicate a potential decrease in consumer demand for its OEM/ODM personal care appliances, further impacting investor confidence.

Ryvyl Inc. (RVYL)
Ryvyl Inc., operating in the IT services industry, witnessed a significant drop of 25.21% in its stock price today, ranking fourth in the penny stock market's decline. The stock hit an intraday low of $0.43 and closed at $0.448. Recent reports indicate that on June 2, Ryvyl Inc. faced a temporary trading halt and subsequently resumed, alongside ongoing negotiations to restructure a $15M asset sale of its EU subsidiary, contributing to market volatility. Analysts say the company's financial struggles, including negative equity, have further impacted investor confidence.

Imunon, Inc. (IMNN)
Imunon, Inc., a biotechnology company, experienced a significant stock decline today, with shares dropping 23.90% to close at an intraday low of $1.91, ranking fifth in the penny stock market's movement. Reports indicate that data shared at the ASCO meeting on June 3, 2025, and the first quarter 2025 financial results revealed critical insights into the durability of IMUNON's DNA vaccine platform, leading to investor concern over its future clinical and financial performance.