Apple's 4-day slide puts Microsoft back on top as most valuable public company
1. Apple's stock plunged 23% in four trading days. 2. Microsoft surpasses Apple as the most valuable public company. 3. Tariffs impact Apple heavily due to its reliance on China. 4. Analysts predict iPhone 16 Pro Max prices could rise by $350. 5. The Nasdaq index declined 13% amid tariff-related concerns.