Wall Street is upbeat on tech megacaps, but big questions loom on AI spending, China, Trump tariffs

In this articleAAPLAMZNMSFTMETATSLAGOOGLMark Zuckerberg, CEO of Meta Platforms Inc.; from left, Lauren Sanchez; Jeff Bezos, founder of Amazon.com Inc.; Sundar Pichai, CEO of Alphabet Inc.; and Elon Musk, CEO of Tesla Inc., during the 60th presidential inauguration in the rotunda of the U.S. Capitol in Washington, D.C., on Jan. 20, 2025.Julia Demaree Nikhinson | Bloomberg | Getty ImagesAs Alphabet and Tesla get set to kick off the tech industry's second-quarter earnings blitz on Wednesday, Wall Street appear ...