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Biotech Trial Wins and Financing Propel Small-Cap Stock Rally

By ATTN Desk · Editorial oversight: Sean Han

Daily Market Recap – August 15, 2025

Today’s small-cap and micro-cap stocks rallied across the board, led by biotech, diagnostics and material-solutions companies. Every name in our universe closed in positive territory, with several posting double- and triple-digit percentage gains on heavy volume. Investor focus centered on clinical trial updates, SEC filings and capital-raising announcements.

TickerATTN PriceCurrent PriceVolumePrice Change %
TIVC1.81193.210019,613,21677.22%
ORGN0.46860.55104,569,46817.60%
CODX0.19440.287043,995,68347.63%
ADD0.07990.096230,475,35620.44%
PPSI3.10084.310046,786,36039.02%
DFLI0.20450.293189,211,87343.37%
ONMD0.51090.62113,234,42421.55%
VMAR1.65261.91069,483,12715.59%
PGEN2.01362.8001102,942,76339.04%
LPTX0.17520.264013,056,91050.74%
BSLK4.57908.759916,756,59391.30%
IVP0.72980.97001,219,21032.92%
NEGG71.053597.65001,702,84437.41%
SGML5.00566.41007,281,88228.08%
FOSL2.27143.06044,420,99434.73%
ADN2.10693.69956,792,32475.57%

Market Trends and Patterns

Biotech-and-healthcare names once again led the charge, driven by clinical trial readouts, regulatory filings and planned financing. Diagnostics specialist Co-Diagnostics (CODX) jumped 47.6% after announcing Q1 assay breakthroughs, while Tivic Health Systems (TIVC) rallied 77.2% on its SEC Form S-3 registration becoming effective. Leap Therapeutics (LPTX) rose over 50% on strong Phase 2 data and cost-cutting measures.

Material solutions stock Bolt Projects (BSLK) topped the leaderboard with a 91.3% surge after unveiling a $4.25 million share and warrant offering following its merger. Other high-flyers included Advantest-valued microscopy firm ADN (+75.6%) and pressure-switch maker PPSI (+39.0%). Notably, no names finished lower on the day.

Volume Highlights

Trading volume was particularly heavy among the largest movers. PGEN led all names with 102.9 million shares changing hands, followed by DFLI at 89.2 million and PPSI at 46.8 million. Elevated turnover in these names underscores strong investor interest in capital-light clinical-stage and diagnostic plays.


Biotech Rally

Biotech Rally by Joseph Chan

tl;dr

  • Every tracked micro-cap and small-cap stock closed higher on August 15, led by biotech and diagnostics.
  • BSLK surged 91.3% after a $4.25 million share and warrant offering.
  • TIVC jumped 77.2% on an effective SEC S-3 registration; ADN gained 75.6%.
  • PGEN, DFLI and PPSI saw the heaviest volume, each trading tens of millions of shares.
  • Overall market tone was uniformly positive, with clinical catalysts and financing news driving gains.

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