Arcturus Therapeutics is trading 6.64% up at $15.74 after rebounding from its August 31, 2026 close of $14.76.
- No major company-specific announcement directly explaining the September 1 move was identified.
- Upcoming investor conferences begin September 8, 2026, but do not clearly explain the sharp gain.
- The move appears driven by continued volatility and buying interest following the recent rally, rather than a confirmed fresh catalyst.