Andy Jassy, CEO of Amazon, speaking with CNBC at the World Economic Forum in Davos, Switzerland, Jan. 20, 2026.CNBCAmazon shares closed up more than 1% on Tuesday, snapping a nine-day slide that shaved billions off of its market cap.The stock shed roughly 18% of its value between Feb. 2 and Friday, marking the worst losing streak since 2006 and axing more than $450 billion in market valuation as investors question the merits of its artificial intelligence spending plans.The selling frenzy around...