Apple CEO Shake-up, Amazon's $25B AI Bet, Alaska Air Misses Earnings

Market News
1. Apple announced John Ternus as its new CEO, succeeding Tim Cook who will transition to Executive Chairman, causing its shares to trade lower.
2. Amazon is expanding its strategic collaboration with AI firm Anthropic, including an investment of up to $25 billion and integration on AWS, boosting its stock price.
3. Alaska Air's Q1 earnings report missed estimates on both revenue and EPS, and the company has paused its share buyback program.