Viking Therapeutics is trading 8.5% lower at $38.10 in after-hours trading, as investors reportedly digest gains and lock in profits.
- Shares closed September 23, 2026, at $41.65; the decline follows a 35.67% rally on September 22 after positive VK2735 maintenance-study data.
- The Nasdaq fell 1.10% and the S&P 500 declined 0.74%, amid broader risk-off sentiment.
- No new company-specific negative announcement was identified after the close; VK2735 data remain supportive.