The 'Magnificent Seven' tech companies have lost $4.2 trillion in market value since Trump's inauguration, largely due to the US-China trade war and tariffs affecting supply chains. Nvidia faced a setback with a ban on selling AI chips to China, leading to a $5.5 billion charge. Tech CEOs will discuss these challenges in upcoming earnings calls, with Tesla reporting a 13% drop in car sales amid protests against Musk's role in government. Teljes cikk (Euronews.com)