🟢 Sionna Therapeutics is trading 5.5% up in pre-market as XBI rises

Sionna Therapeutics is trading 5.53% up now at $7.58 in pre-market, with broader biotechnology strength the apparent driver.

• No fresh company-specific announcement explains the September 18 pre-market move.
• The rebound continues from the September 15 selloff and September 16 close of $7.04.
• XBI is up 2.55%, alongside a constructive backdrop as major U.S. indexes and futures rise.