Dow Falls Over 200 Points; Xenon Pharmaceuticals Shares Plunge

9/18/2026
Impact: -75
Healthcare

On Friday, the Dow Jones index fell over 200 points, closing down 0.45% at 51,544.44. Xenon Pharmaceuticals shares plummeted 29% to $40.55 after the company announced a temporary pause in enrolling new patients for ongoing psychiatry studies, prompting multiple firms to lower their price targets on the stock. In contrast, Mistras Group Inc saw a 6% increase to $21.01 following an acquisition agreement with H.I.G. Capital.

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