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

On May 30, 2025, the penny stock market witnessed significant fluctuations with varying performances among companies. Notably, Global Interactive Technologies, Inc. (GITS) emerged as the top gainer, experiencing a remarkable surge in its stock price. Conversely, Ciso Global, Inc. (CISO) faced the largest decline, marking a challenging day for its shareholders.

Top Gainers
Global Interactive Technologies, Inc. (GITS)
Global Interactive Technologies, Inc. (GITS), a company in the software industry, saw its stock skyrocket by 153.68% today, leading the penny stock market. The stock reached an intraday high of $3.12 before closing at $2.41. Recent reports indicate that on May 30, 2025, GITS stock rallied by 250.53% as investor optimism surged following the company's announcement of regaining Nasdaq compliance. On April 30, 2025, GITS confirmed compliance with Nasdaq's listing requirements, further boosting investor confidence.

Ess Tech, Inc. (GWH)
Ess Tech, Inc., a player in the electrical equipment industry, experienced a remarkable 104.27% surge in stock price today, ranking second among penny stocks. The intraday high was $2.06 and the stock closed at $1.68. Recent reports indicate a significant capital infusion on May 27, 2025, and the CEO's resignation on May 29, 2025, which analysts say have contributed to the stock's upward momentum.

Bolt Projects Holdings, Inc. (BSLK)
Bolt Projects Holdings, Inc. saw its stock skyrocket by 86.74% today, ranking third in the penny stock market. The stock reached an intraday high of $3.55, closing at $3.38. As a company in the chemical products industry, Bolt Projects has been gaining attention. Recent updates indicate that on May 27, 2025, the company revised its 2025 revenue outlook to $4.5 million, and on May 12, 2025, it announced financial results showcasing increased customer demand. These developments have significantly contributed to today's stock surge.

Nuburu, Inc. (BURU)
Nuburu, Inc., operating in the electronic equipment, instruments, and components industry, experienced a remarkable stock surge of 85.64%, ranking fourth among today's penny stocks. The stock reached an intraday high of $0.53 before closing at $0.38. Recent reports indicate that on May 29, 2025, Nuburu secured funding aimed at eliminating non-compliance issues with NYSE American's stockholders' equity rule. Additionally, analysts say the company announced significant strategic initiatives to expand its defense and security market presence.

High Roller Technologies, Inc. (ROLR)
High Roller Technologies, Inc. saw a significant stock surge of 64.23% today, ranking 5th among penny stocks. The stock reached an intraday high of $5.33 before closing at $4.50. Operating in the hotels, restaurants, and leisure industry, the company's recent strategic moves have garnered investor attention. Recent reports indicate that High Roller has successfully submitted its initial licensing application for Ontario's regulated online gambling market, aiming for a launch in H2 2025. Additionally, analysts say the company's strategic shift towards high-potential regulated markets has positioned it for scalable growth.

Top Decliners
Ciso Global, Inc. (CISO)
Ciso Global, Inc. (NASDAQ: CISO) experienced a significant drop in its stock price today, plummeting by 41.73% to close at $0.81, with an intraday low of $0.66, marking the largest decline in the penny stock market. The company, operating in the information technology services sector, has been under scrutiny following recent reports indicating potential Nasdaq delisting due to its low share price. On May 28, 2025, analysts say CISO Global's financial restructuring efforts, aimed at eliminating high-interest debt, failed to alleviate market concerns, contributing to today’s stock plunge.

Shineco, Inc. (SISI)
Shineco, Inc., a healthcare company specializing in pharmaceuticals, saw its stock plummet by 35.99% today, ranking it second in the penny stock market decline. The stock hit an intraday low of $0.42 before closing at $0.45. Recent reports indicate Shineco's acquisition of a 75% stake in FuWang Company, aiming to enhance its medical device offerings and financial performance. Analysts say concerns over the $8.8 million cash and stock payment structure and ambitious projections for FuWang's growth may have contributed to the stock's plunge.

Harvard Bioscience, Inc. (HBIO)
Today, Harvard Bioscience, Inc. saw a significant decline in its stock price, dropping by 30.30%, ranking it third among today's penny stock market. The life sciences tools and services company hit an intraday low of $0.43 before closing at $0.47. Recent reports indicate that the company's first quarter 2025 financial results, announced on May 12, 2025, showed a decline in revenue to $21.8 million from $24.5 million in Q1 2024, which analysts say contributed to the stock's plunge.

CollPlant Biotechnologies Ltd. (CLGN)
CollPlant Biotechnologies Ltd. (CLGN), operating in the biotechnology industry, witnessed a steep decline today with its stock falling by 29.96%, ranking fourth in the penny stock market's daily change. The stock reached an intraday low of $3.00 before closing at $3.18. In recent developments, reports indicate that on May 30, 2025, CollPlant announced a $3.6 million registered direct offering, contributing to the stock's plunge. Additionally, on May 28, 2025, analysts say the company reported first-quarter financial results with a GAAP EPS of -$0.13, missing expectations by $0.09.

Medicus Pharma Ltd. (MDCX)
Medicus Pharma Ltd., a biotechnology company, saw its stock plummet by 29.85% today, ranking it as the fifth biggest loser in the penny stock market. The stock hit an intraday low of $2.34 before closing at $2.55. Recent reports indicate that the company's pricing of a $7 million public offering at $3.10 per unit, coupled with the upcoming maturity of certain options by May 12, 2025, has contributed to today’s significant stock decline.