SAN FRANCISCO An illustration photo taken on April 24, 2025 shows the logo of US online retailer Amazon on a smartphone screen in Frankfurt am Main, western Germany. Tech giants Amazon , Apple, Meta and Microsoft this week eclipsed earnings expectations, cashing in on artificial intelligence ( AI ) while navigating economic waters roiled by U.S. tariffs. "Massive results seen by Microsoft and Meta further validate the use cases and unprecedented spending trajectory for the AI Revolution on both