Vanda (VNDA) Soars 41.84% Premarket on FDA Approval of BYSANTI for Bipolar I and Schizophrenia
On February 23, 2026, Vanda Pharmaceuticals shares surged to $8.17 in premarket trading, up 41.84% from the prior close after the FDA cleared its new drug BYSANTI for adult Bipolar I manic episodes and schizophrenia. The approval, Vanda's second since December 2025, extends patent protection to 2044 and supports plans for a commercial launch in Q3 2026, boosting sentiment around the company's growth prospects.