Novo Nordisk says Alzheimer's drug trial fails, hammering shares ReutersNovo Nordisk Shares Slump After Ozempic Pill Fails in Alzheimer's Trials The Wall Street JournalNovo Nordisk shares plunge 9% after Alzheimer's drug trial fails to hit key target CNBCNovo Nordisk's semaglutide fails to slow Alzheimer's progression statnews.com