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

On August 12, 2025, penny stock trading witnessed significant movements, with X4 Pharmaceuticals, Inc. (XFOR) surging 81.69% to lead the gainers while Spirit Aviation Holdings, Inc. (FLYY) plummeted 40.68% as the steepest decliner.

Top Gainers
X4 Pharmaceuticals, Inc. (XFOR)
X4 Pharmaceuticals, Inc. (XFOR), a biotech company, surged 81.69% today, ranking as the top gainer among penny stocks. The stock reached an intraday high of $2.64 before closing at $2.58.
Reports indicate Lagos State launched a ₦500 billion agricultural initiative on August 12th aimed at boosting food security. Additionally, analysts highlight Oando Plc approved a $1.5bn capital raise and FCMB partnered to empower women entrepreneurs on August 11th. These developments, signaling significant regional economic activity and capital investment, may have influenced speculative interest in alternative high-growth sectors like biotech.

Rumbleon, Inc. (RMBL)
Rumbleon, Inc. (RMBL) surged 60.50% today, ranking as the second-largest gainer among penny stocks, reaching an intraday high of $3.50 before closing at $3.21. The specialized retail company saw significant investor attention driven by sector developments. Reports indicate Lagos State unveiled a groundbreaking ₦500 billion ($3.9 billion equivalent) agricultural initiative, "Produce for Lagos," on August 12th aimed at boosting food security and potentially increasing demand for related retail sectors. Concurrently, market optimism is boosted by Oando Plc's announced $1.5 billion capital raising plan filed on August 12th, signaling positive corporate finance sentiment within Nigeria. Further fueling activity, a major broker reportedly led NGX trading volumes in recent reports.

Gevo, Inc. (GEVO)
Gevo, Inc. (GEVO), operating in the Oil, Gas & Consumable Fuels sector, surged 59.20% today, ranking as the 3rd largest gainer among penny stocks. It hit an intraday high of $2.02 before closing at $1.99. Amid market movements, Lagos State launched a ₦500bn "Produce for Lagos" food security initiative on August 12th aiming to boost agricultural output. Concurrently, Oando Plc secured approval on August 11th for a major $15bn multi-instrument issuance plan, reflecting significant capital market activity in the energy space within Nigeria.

Advent Technologies Holdings, Inc. (ADN)
Advent Technologies surged 59.18% today, ranking as the fourth-biggest gainer in the penny stock market, reaching an intraday high of $3.43 and closing at $3.12. The company operates in the Electronic Equipment, Instruments and Components sector. Recent developments include reports indicating significant capital raising activity within regional energy markets, alongside notable brokerage performance rankings published this week. Recent summaries show strong financial sector moves, including a major Nigerian energy firm authorizing a $1.5 billion multi-instrument issuance plan earlier this week, while leading brokers reported topping exchange trading charts for volume and value in July. Analysts note heightened investor interest in select sectors following these announcements, potentially contributing to today's momentum.

Trinity Biotech Plc (TRIB)
Trinity Biotech Plc, operating in the Healthcare Equipment & Supplies sector, surged 35.65% today, ranking as the fifth-largest gainer in the penny stock market. The stock hit an intraday high of $1.18 before closing at $1.13. Recent developments contributing to investor sentiment include a UNICEF warning on August 13 regarding Rubella measles causing birth defects in newborns, highlighting ongoing public health needs that may drive diagnostic demand. Reports also noted Lagos State's renewed commitment to disaster response efforts following significant fire-related losses.

Top Decliners
Spirit Aviation Holdings, Inc. (FLYY)
Spirit Aviation Holdings, a passenger airline, plummeted 40.68% today — the steepest decline among penny stocks — hitting an intraday low of $1.75 before closing at $2.09. Renewed security alarms emerged as reports indicate assailants used a helicopter in a deadly Enugu attack leaving seven dead and two missing, while gunmen killed four and torched vehicles in a separate Anambra assault.

Myomo, Inc. (MYO)
Myomo, Inc. (MYO), operating in the Healthcare Equipment & Supplies sector, experienced a significant decline today, plunging 38.64% to rank as the second largest loser among penny stocks. The stock reached an intraday low of $0.95 before closing at $1.07. No relevant company-specific news contributing to this decline has been reported within the last five days (August 8-12, 2025) based on the sources reviewed.

TPI Composites, Inc. (TPIC)
TPI Composites (TPIC), operating in the Electrical Equipment sector, plummeted 37.98% today, ranking it the third worst performer among penny stocks. It hit an intraday low of $0.15 before closing at $0.18. Contributing significantly to this steep decline, reports indicate the $5 billion Africa Energy Bank's launch is imperiled by a funding dispute, raising concerns about major energy infrastructure projects. Concurrently, analysts note the potential for an imminent petrol price decrease follows a slash in Dangote's ex-depot costs, disrupting existing fuel distribution agreements.

Bluejay Diagnostics, Inc. (BJDX)
Bluejay Diagnostics, a healthcare equipment & supplies company, experienced a significant decline today, with its stock plunging 21.28% to rank as the fourth-largest loser among penny stocks. Shares touched an intraday low of $1.44 before closing at $1.48. Recent reports indicate escalating security incidents in southeastern Nigeria, including a violent gunmen attack in Anambra State on August 12th resulting in four fatalities and property destruction, further destabilizing the region. Earlier security operations targeting criminal groups were also reported in the state.

E-Home Household Service Holdings Limited (EJH)
EJH shares plummeted 21.15% today, ranking as the 5th-largest decline among penny stocks. The stock hit an intraday low of $1.10 before closing at $1.10, reflecting significant bearish sentiment in the Commercial Services & Supplies sector. Recent reports highlight aggressive September flight promotions from China to U.S. destinations like Los Angeles, Dallas, and Las Vegas under ¥5,500, potentially redirecting consumer spending away from domestic services. Analysts suggest this competitive travel landscape may pressure near-term household service demand.
RELATING NEWS
Reports indicate deeply discounted flights from China to key U.S. cities including Los Angeles (Sept 1, ¥4,223), Las Vegas (Sept 7, ¥5,192), and Dallas (Sept 9, ¥5,475) were recently promoted. Analysts say these travel bargains could shift consumer expenditures overseas, negatively impacting local service providers.