Why Xenon Pharmaceuticals stock is down today as JPM Healthcare Conference nears
New York, January 5, 2026, 15:22 EST — Regular session Xenon Pharmaceuticals Inc shares were down 6.5% at $41.60 in afternoon trading on Monday, about 8% off the session high. The Nasdaq-listed biotech traded between $45.21 and $41.45, with roughly 787,000 shares changing hands.