🔴 Arcturus Therapeutics is trading 5% down today after reversing recent gains

Arcturus Therapeutics is trading at $15.22, down -5.02%, after no clear company-specific negative announcement was identified for September 21, 2026.

• The decline contrasts with broader gains: S&P 500, Nasdaq, and Dow are all higher.
• The September 23 presentation on ARCT-810 Phase 2 data remains an upcoming catalyst, not a confirmed cause.
• Shares are reversing recent gains after closing at $16.03 on September 18.