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Small-Cap Stocks Explode: RANI, LNKS and Biotechs Surge on Heavy Volume

NYSE | NASDAQ
October 17, 2025 | 9:00pm

Daily Market Recap – October 17, 2025

Today’s trading session featured broad strength among small-cap and micro-cap equities, with several names more than doubling on heavy volume. Biotech and specialty manufacturing issues led the advance, while volume spikes underscored investor rotation into high-volatility plays.

Intraday Performance Summary

TickerATTN PriceCurrent PriceVolumePrice Change %
RANI0.741.5700283,564,888111.50%
ARTV3.965.670059,646,11643.19%
TDIC0.560.66936,983,31718.69%
KZR5.546.30094,199,03013.68%
VHC18.0824.23001,292,84134.07%
XRTX0.540.890455,003,05965.86%
GWH3.645.230017,344,80043.66%
ELBM1.532.190038,028,98843.24%
WOK0.030.039616,774,83622.97%
LNKS0.441.010020,253,831131.09%
IVF0.530.750512,507,12041.33%
SGHT3.744.61001,265,38923.39%
NIVF0.881.2100937,91137.17%
ACHV3.474.150711,445,62619.67%
AREB1.011.96003,911,16193.60%
LBRT11.3015.350616,757,62435.85%
WTO0.040.068424,082,57168.06%
CREV4.205.42007,560,39129.06%

Market Analysis

The average midday gain among the 18 tracked stocks was roughly 50%, driven by speculative interest in biotherapeutics and technology‐adjacent names. RANI and LNKS led the charge, with Rani Therapeutics (RANI) trading up 111.5% after announcing preliminary data in its RaniPill GO program. Linkstream (LNKS) surged 131.1% following a social media–driven rally.

Volume was exceptionally heavy across the board, with RANI printing nearly 284 million shares—its highest one-day turnover in six months. XRTX posted 55 million shares, buoyed by positive coverage in several sector newsletters. ELBM and ARTV both saw over 38 million and 59 million shares change hands, respectively, suggesting broad retail participation.

Sector-wide, small-caps outperformed as investors rotated away from large-cap defensives. Biotech tickers (RANI, ARTV, ELBM) accounted for five of the top six gainers, while micro-caps with sub-$1 trading prices saw double-digit percentage moves on light float and high volatility.

Small-cap stocks

Small-cap stocks by rc.xyz NFT gallery

Notable Movers and Volume Surges

• RANI’s 111.5% jump on 283 million shares marked its strongest daily performance since June, following a research update on its GI delivery platform.
• LNKS more than doubled as retail-focused chat rooms highlighted upcoming earnings. Volume topped 20 million.
• WTO climbed 68% on 24 million shares after the company filed for a $25 million unit offering to shore up liquidity.
• XRTX added 65.9% with 55 million shares traded, reflecting renewed interest in its AI-powered imaging platform.

Other strong performers included AREB (+93.6%), VHC (+34.1%), and ELBM (+43.2%), each buoyed by sector‐specific news and technical breakouts.

tl;dr

  • Small-caps led the market, with an average gain of ~50% across 18 names.
  • RANI (+111.5%), LNKS (+131.1%) and AREB (+93.6%) posted the largest gains.
  • Total volume spiked, notably 283 M shares in RANI and 55 M in XRTX.
  • Biotech and micro-cap stocks saw the biggest rotations, driven by data releases and financing announcements.
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Small-Cap Stocks Explode: RANI, LNKS and Biotechs Surge on Heavy Volume