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

On May 20, 2025, the penny stock market witnessed remarkable fluctuations. Edible Garden Ag Incorporated led the top gainers with a substantial 80% increase in stock value, while Mullen Automotive, Inc. experienced the largest decline, plummeting by 41.18%. These market movements reflect significant developments within each company, influencing investor sentiments and market trends.

Top Gainers
Edible Garden Ag Incorporated (EDBL)
Edible Garden Ag Incorporated, a leader in the food industry, saw its stock price skyrocket by 80% today, ranking first among penny stocks. The intraday high reached $3.88, closing at $3.60. Recent developments have likely influenced this surge. On May 20, 2025, Edible Garden launched Kick. Sports Nutrition on Amazon, expanding its market reach. Additionally, on May 15, 2025, the company reported Q1 2025 financial results, surpassing earnings expectations, which analysts say boosted investor confidence.

Neuraxis, Inc. (NRXS)
Neuraxis, Inc., a medical technology company specializing in healthcare equipment and supplies, saw its stock price soar by 71.81% today, ranking second among penny stocks. The stock reached an intraday high of $6.20 before closing at $3.90. Reports indicate the surge was driven by FDA clearance of IB-Stim for treatment, announced on May 20, 2025, and analysts say strong investor optimism boosted by recent positive projections and market trends.

MEDIROM Healthcare Technologies Inc. (MRM)
Medirom Healthcare Technologies Inc. (MRM), operating in the hotel, restaurant, and leisure industry, surged 64.56% in stock value today, ranking third among penny stocks. The stock hit an intraday high of $1.39 before closing at $1.30. Reports indicate that the company's strong revenue growth of 22% and the pending webcast on May 21 to discuss 2024 financial results have significantly boosted investor confidence, contributing to the stock's impressive rise.

Quipt Home Medical Corp. (QIPT)
Quipt Home Medical Corp., a U.S.-based provider of healthcare equipment and services, experienced a remarkable surge in stock value today, climbing 53.41% and ranking fourth in the penny stock market. The stock reached an intraday high of $2.22 before closing at $2.14. This rise is notable within the healthcare providers and services industry. Recent news indicates Quipt's stock soar may be attributed to positive market reactions following promising financial results announced on May 12, 2025, alongside FDA designations boosting investor confidence. Reports indicate the market's optimistic outlook on Quipt's future growth trajectory.

TNL Mediagene (TNMG)
In the interactive media and services industry, TNL Mediagene (TNMG) saw a significant stock movement today, climbing by 52.69%, marking the fifth highest change among penny stocks. The stock hit an intraday high of $1.32 before closing at $0.91. Reports indicate that the company's upcoming presentation at the Emerging Growth Conference on May 19, 2025, and their announcement of a strategic partnership with PChome Online on May 20, 2025, are key contributors to the stock surge, fueling investor enthusiasm and market optimism.

Top Decliners
Mullen Automotive, Inc. (MULN)
Mullen Automotive, Inc. (NASDAQ: MULN), a company in the automotive industry, saw its stock plummet by 41.18% today, marking the largest decline in the penny stock market. The stock hit an intraday low of $0.191 before closing at $0.20. Recent reports indicate that Mullen terminated a significant agreement with Volt Mobility and announced a 1-for-60 reverse stock split effective February 18, 2025, causing investor concerns about the company's strategic direction.

Polyrizon Ltd. (PLRZ)
Polyrizon Ltd. experienced a significant decline today, with its stock plummeting by 28.57% to close at an intraday low of $0.005, ranking second in the penny stock market's biggest movers. The company operates within the biotechnology industry. Recent reports indicate that the cancellation of a planned reverse stock split announced on May 18, 2025, coupled with ongoing concerns around its strategic moves in the intranasal drug delivery sector, contributed to today's sharp decline in stock value. The company's focus on advancing innovative seizure treatments may face challenges in light of this recent market response.

Greenpro Capital Corp. (GRNQ)
Greenpro Capital Corp., a financial services company, experienced a significant stock decline of 21.88% today, ranking third in the penny stock market. The intraday low was $1, closing at the same price. Recent reports indicate their quarterly earnings reveal a loss of $0.08 per share, doubling last year's figures, with sales dropping to $352,750 from $658,400, contributing to today's stock plunge.

Uni-Fuels Holdings Limited (UFG)
Uni-Fuels Holdings Limited, operating in the petroleum, natural gas, and consumable fuels industry, saw its stock plummet by 20.08% today, ranking fourth among the day's penny stock market drops. The intraday low was 3.8, and it closed at 4.14. Reports indicate that recent news, dated May 19, 2025, highlights Uni-Fuels Holdings announcing underwriters' full exercise of their IPO over-allotment option, potentially causing investor concern and contributing to the stock's decline.

Revelation Biosciences, Inc. (REVB)
Revelation Biosciences, Inc., operating within the biotechnology sector, experienced a significant stock decline today, with its share price dropping by 20.06%, ranking it fifth in the penny stock market for the day. The stock hit an intraday low of 2.44 before closing at 2.51. Reports indicate that recent developments, including Revelation's announcement on May 15, 2025, regarding the FDA's concerns over the Gemini Phase study, have contributed to the plunge. Analysts say that additional financial stresses reflected in the May 19, 2025, earnings call further exacerbated investor concerns about the company's future trajectory.