With four of the Mag 7 companies reporting earnings this week, Ben Bajarin says the key aspect uniting all of them is "shape of demand." With AI infrastructure expected to go "up and to the right," Ben poses the question as to how much of AI's buildout is already priced in to Meta Platforms (META) and Microsoft (MSFT) shares. However, he believes Apple (AAPL) can still benefit from its current positioning. One of Ben's biggest question marks on the future of AI is the electricity needed to power it.