Core Insights - Several small- and mid-cap stocks experienced notable gains in after-hours trading, driven by investor sentiment and sector momentum rather than new company news [1][2][3][4][5] Company Summaries - **Spyre Therapeutics, Inc. (SYRE)**: Closed at $34.71, up $1.65 or 4.99%, leading the list of gainers despite no new updates [1] - **The Oncology Institute, Inc. (TOI)**: Ended at $3.65, up $0.19 or 5.49%, with steady share price increase without new announcements [2] - **Aurora Cannabis Inc. (ACB)**: Closed at $5.70, gaining $0.13 or 2.33%, benefiting from renewed momentum in the cannabis sector [2] - **Solid Biosciences Inc. (SLDB)**: Finished at $5.45, up $0.07 or 1.30%, supported by the recent addition of Duchenne muscular dystrophy to the Recommended Uniform Screening Panel [3] - **EUDA Health Holdings Limited (EUDA)**: Closed at $2.74, gaining $0.12 or 4.58%, attracting buyers in after-hours trading [4] - **Lexeo Therapeutics, Inc. (LXEO)**: Ended at $9.50, up $0.39 or 4.28%, continuing a trend of strength in the biotech sector [4] - **Eledon Pharmaceuticals, Inc. (ELDN)**: Closed at $1.59, up $0.02 or 1.27%, managing a modest gain without new news [5]