US Top News and Analysis | Stocks making the biggest moves after hours: Amazon, Apple, Steel Dynamics and more

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The article reports the biggest after‑hours stock moves on Monday, April 20, 2026: Zions Bancorporation slipped nearly 3% after its Q1 net interest income fell short of expectations despite earnings per share beating estimates; Steel Dynamics edged up less than 1% as revenue beat forecasts but EPS missed by a penny; Amazon jumped about 3% following a new agreement to invest up to $25 billion in AI startup Anthropic, which will spend over $100 billion on AWS services in the next decade; Apple declined under 1% in extended trading after CEO Tim Cook announced he will step down on Sept. 1, becoming executive chairman and naming hardware chief John Ternus as his successor; and Alaska Air Group fell more than 1% after pulling its 2026 outlook amid fuel‑cost uncertainty, reporting a Q1 loss of $1.68 per share on $3.3 billion revenue, both below analyst estimates.

Read more: https://www.cnbc.com/2026/04/20/stocks-making-the-biggest-moves-after-hours-amzn-aapl-stld.html

#Amazon #Apple #SteelDynamics #AmazonWebServices #TimCook #JohnTernus

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