Tech megacaps lose $770 billion in value as Nasdaq suffers steepest drop since April
1. Amazon shares dropped significantly due to tariff threats from Trump. 2. The tech sector lost $770 billion in market cap on increased tariffs. 3. Amazon's market value decreased by $121 billion following the sell-off. 4. Competition in cloud services is intensifying between Amazon and Microsoft. 5. Tariffs could disrupt retail prices and consumer behavior, according to Amazon CEO.